Intro to Situations ? Equations

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Intro to Situations ? Equations

• January 21, 2015

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Instructions

• You will need
• Paper
• Packet of questions
• On paper
• Name, date, and class period on paper
• Number 1-20
• You will be working through the packet with your
  group.
• Ask questions when needed

3
Ok, lets put some of that together.

• The price of Lavenders monthly phone bill is
  212.00. The phone company charges her a fee of
  80.00 and then charges her 2 dollars per minute.
  Which equation represents the number of minutes,
  m, Lavender used?
• 80 2m 212
• 80 2m 212
• 212m 2 80
• 212 2m 80

4
Ok, lets put some of that together.

• The price of Albuss water bill was 83.00. The
  water company charges them a one time service fee
  of 25.00 and 4 dollars per gallon used. Which
  equation shows the number of gallons, g, used by
  Albus?
• 4g 25 83
• 25g 4 83
• 29g 83
• 25 4g 83

5
Ok, lets put some of that together.

• So far this year, Draco has paid 425 to his
  cable company. They charge him a one time
  installation fee of 25.00 and 50.00 per month.
  Which equation can be used to find out how many
  months, m, Draco has had this TV service?
• 25m 50 425
• M 25 50 425
• 25 50m 425
• 425 50m 25

6
Ok, lets put some of that together.

• The bowling alley charges a flat fee of 5.00 for
  shoes and a fee of 3.00 per game. Which equation
  represents the total cost of, c, for a night of
  bowling when g games are played?
• g(3 x 5) c
• 3g 5 c
• 5g 3 c
• 3c 5 g

7
Ok, lets put some of that together.

• The skate center charges 6 for skates and 2 per
  hour of skating. Which equation represents the
  total cost (t) for h hours of skating?
• 6 2h t
• 12h t
• 6h 2 t
• 6 2 h t

8
Ok, lets put some of that together.

• A group of friends are getting ready for prom.
  The limo company charges a 100 dollar flat fee
  and 30.00 per hour that you use the limousine.
  What equation shows the price (p) of the
  limousine for h hours?
• 100 x 30h p
• 100h x 30 p
• 100h 30 p
• 100 30h p

9
Ok, lets put some of that together.

• Minerva is twice as old as Penelope plus 6 years.
  Which equation could represent how old Minerva
  is, m, when Penelope is p years old?
• m p 6
• m p 6
• m 2p 6
• m 2p 6

10
Ok, lets put some of that together.

• Madame Pomfrey has three times as much books as
  Neville plus 10. Which equation could represent
  how many books Madame Pomfrey has, m, when
  Neville has n books?
• N 10 m
• 3n 10 m
• 3n 10 m
• N(3 10) m

11
Ok, lets put some of that together.

• Hagrid ate 4 times as much pizza as Luna plus 3
  pieces. Which equation represents how much Hagrid
  ate, h, when Luna ate L pieces
• h 4L 3
• h 3L 4
• h 4L - 3
• h 3L - 4

12
Ok, lets put some of that together.

• Lucius has 62.00 and wants to buy a binder for
  12.00 and some notebooks for 4.50 each. Which
  equation represents how many notebooks, n, Lucius
  can afford?
• n 4.50 62 12
• 12 62 4.50n
• 62 12 4.50n
• 4.5 12n 62

13
Ok, lets put some of that together.

• Petunia wants to go to the arcade and she knows
  she has 17.00 to spend. She wants to buy a coke
  for 3.00 and games cost 0.50 each. Which
  equation represents how many games, g, Petunia
  can play?
• g 17 3 0.5
• 17 x 3 x 0.5 g
• 17 3g 0.5
• 17 0.5g 3

14
Ok, lets put some of that together.

• Vernon is going to take his friends to the
  Pottery Place to paint pottery for his birthday.
  They told Vernon they would charge him a fee of
  25.00 and it would cost 7 dollars for each
  friend to paint pottery. If Vernon has 60.00 to
  spend, which equation could be used to find out
  how many friends, f, he could invite?
• 60 7 25f
• 60 7f 25
• 25 7f 60
• 25 60f 7

15
Ok, lets put some of that together.

• Bellatrix bought 5 hats that cost 12.00 total.
  Which equation could be used to find h, the cost
  of one hat?
• 12 5 h
• h 12 5
• 12h 5
• 5h 12

16
Ok, lets put some of that together.

• Griphook sold 12 of his vintage cologne bottles
  for 30.00. Which equation could be used to
  represent the price of one cologne bottle, c.
• 12 30c
• 30 12c
• 30 c 12
• 12 c 30

17
Ok, lets put some of that together.

• Remus bought a pizza for five dollars. The pizza
  had 10 slices. Which equation could be used to
  determine s, the price for one slice of pizza, in
  dollars?
• 10s 5
• 5s 10
• 10 x 5 s
• 10/s 5

18
Ok, lets put some of that together.

• Firenze had 16 candles. He gave an equal amount
  to 3 of his friends. Then he bought 4 more. Which
  equation represents how many candles he has now,
  c, after giving some away to x friends and buying
  some more?
• x 16 3c 4
• x 16 4c 3
• c 16 3c 4
• c 16 4c 3

19
Ok, lets put some of that together.

• James had 6 invisibility cloaks. He gave the same
  amount to four friends and then he bought 10
  more. Which equation could be used to find how
  many invisibility cloaks he has now, i, after
  giving some away to w friends and then buying
  some?
• i 6 4 10
• i 6 10 4
• i 6 10w 4
• i 6 4w 10

20
Ok, lets put some of that together.

• Luna had a bunch of lemon drops leftover. She
  started with 20 and then gave an equal amount to
  7 friends. Then she went out and bought 3 more.
  Which equation shows the amount of lemon drops L,
  luna has after buying some and giving some away
  to f friends?
• L 3 20f 7
• L 7 20f 3
• L 7 3f 20
• L 20 7f 3

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Ok, lets put some of that together.

• Cho bought 4 pairs of dress robes for 15 dollars
  each. The shop was having a sale and was going to
  take the discount, d, off of each robe at the
  register. Which equation can be used to find p,
  the total price after the store took the discount
  off of each robe?
• p (15 x 4) 4d
• p 15 4d
• p (15 x 4) d
• p (15 x 4) 4d

22
Ok, lets put some of that together.

• Teddy was going to buy new shoes. He wants to buy
  5 pairs of shoes for 34.00 each. The store is
  having a sale and will take some money, x, off of
  each one. Which equation will help to determine
  how much, m, Teddy will have to pay after the
  shoes are reduced in price?
• m 34 5x
• m 5x 34
• m (5 ? 34) 5x
• m (5 ? 34) x

23
Ok, lets put some of that together.

• Tonks found out that packs of diet cokes were on
  sale at Food Lion. She went and bought 8 of them.
  They were originally 5.00 each. The cashier took
  the discount, d, off of each one at the register.
  Which equation could be used to find t, the total
  cost of her purchase after the discount was taken
  off?
• t (8 x 5) d
• t (8 x 5) 5d
• t (8 x 5) 8d
• t (5 x 8) d

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Answer Key

1. A
2. C
3. B
4. A
5. D
6. D
7. B
8. A
9. C
10. D
11. B
12. D
13. B
14. A
15. A
16. D
17. D
18. D
19. C