2.4 MoneyGeometry Word Problems

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2.4 Money/Geometry Word Problems
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Money Talks

• At the end of the day, a cashier has 26 coins
  consisting of dimes and half dollars. The total
  value of these coins was 8.60. How many of each
  type did the cashier have?

.1x.5(26-x)8.6 .1x13-.5x8.6 -.4x138.6 -.4x-
4.4 X11 11 dimes 15 half dollars

Value
Total Value
x
.1
.1x
Dime
.5
.5(26-x)
Half Dollar
26-x
Total
8.60
26
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Angles of Triangle

• Sum of angles of a triangle is 180 degrees
• EX4) A surveyor maps land in the form of a
  triangle. The 2nd angle of the triangle is 21
  degrees greater than the 1st. The 3rd is 11 more
  than twice the first. What are the three angles?

Let x1st angle, x212nd, 2x113rd xx212x1
1180 4x32180 4x148 X37 1st is 37, 2nd is 58,
and the third is 85
x
X21
2x11
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Homework

• Pg. 957-14,27-30,35-38