Equations

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Equations
Word prob
Coin CI
Formula Function
Rate, Ratio
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
3
100
 
4
These 2 triangles are similar. Write and solve
an equation to find the length of the side called
x
200
2 ft
5
Solve for x. Round your answer to the nearest
hundredth. 2(.78 .04x) .01x
300
X -22.29
6
Solve for v -(11 2v) 5(v 8)
400
v -17
7
Solve for y
500
v 1/2
8
A local computer center charges non members 5
per session to use the media center. If you pay
a membership fee of 25, you pay only 3 per
session. Write an equation that can help you
decide whether to become a member. Then solve
the equation.
100
3x 25 5x 12.5 sessions
9
If one side of a square is represented by 2x 4.
If the perimeter of the square is 56 in, find x.
200
5
10
The sum of three numbers is 123. The second
number is 9 less than two times the first number.
The third number is 6 more than three times the
first number. Find the three numbers.
300
21, 33, 69
11
Two trains are 515 miles apart. At 10 AM they
start traveling toward each other at average
rates of 48 and 55 mph. At what time will they
pass each other?
400
3 pm
12
Mr. Fields spent 6 hours on a trip out into the
country and back. He walked out at a rate of 4
mph and walked back at a rate of 2 mph. How far
out into the country did he go?
500
8 miles
13
Mr. Boyce deposited 170 in his bank. The number
of 5 bills was three times the number of 10
bills, and the number of 1 bills was thirty
more than the number of 5 bills. How many bills
of each type did he deposit?
100
5, 15, 45
14
A purse contains 4.70 in nickels and quarters.
There are 30 coins in all. How many of each kind
are there?
200
16 quarters and 14 nickels
15
Find three consecutive even integers whose sum is
-18
300
-4, -6, -8
16
the greater of two consecutive even integers is
six less than twice the smaller find both
400
8, 10
17
Jane has 2.80 in quarters and dimes. The number
of dimes is 7 less than the number of quarters.
Find the number of each. Use algebra!
500
Quarters10 , dimes 3
18
Solve the formula S B ½ Pl for l.
100
l (2S 2B)/P
19
Rewrite the equation 4x 3(y 2) 15 y So
that y is a function of x.
200
y x 9/4
20
Solve the Formula for Area of a trapezoid A ½
h(b1 b2) for h.
300
h 2A/(b1 b2)
21
Rewrite the equation 5y 2(x 7) 20 So that
x is a function of y.
400
x 5/2 y - 3
22

• Solve for p
• p dp c

500
p c / (1 d)
23

• The price of gas is currently 3.59/gal. If
  price of gas was 3.90 last year, find the
  percent decrease to the nearest 10th of a percent.

100
7.9 decrease
24
200
51
25
 
300
51
26
A salesperson made 900 last week in commission.
If they receive a 2.5 commission rate, how much
did they sell last week?
400
36,000
27

• Joe paid 36 for a pair of jeans that were on
  sale for 40 off the original price. What was
  the original cost of the jeans?

500
60
28
DAILY DOUBLE!!!