Page 293 - Basic College Mathematics with Early Integers

270 C HAPTE R 3 I FRACTIONS

3 7 3 10
129. 7 130. 2 131. 12 132. 32
4 8 5 21
2 1 1 3
+5 +9 -9 -24
3 2 7 7

Evaluate each expression. Use the order of operations to simplify.

2 2 2 3 5 3 2 3 2 4
133. + a b - 134. a - b 135. - # a - b
5 5 25 6 4 8 3 9

Solve.
3 1
136. Two packages to be mailed weigh 3 pounds and 137. An area of Mississippi received 23 inches of rain
4 2
3 1
2 pounds. Find their combined weight. in 30 hours. How many inches per 1 hour is this?
5 2

1
138. A ribbon 5 yards long is cut from a reel of ribbon 139. A slab of natural granite is purchased and a rectan-
2 4 1
with 50 yards on it. Find the length of the piece gle with length 7 feet and width 5 feet is cut
remaining on the reel. 11 2
from it. Find the area of the rectangle.

7 4 feet
11

5q feet

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