Page 281 - Algebra 1

Lesson Practice
Practice
Distributed and Integrated
a. What number is 35% of 70. (Ex 1)
b. What number is 150% of 24? (Ex 1)
c. Using a proportion, find 315% of 21. (Ex 2)
d. 59.5 is what percent of 17 ? (Ex 2)
e. FuelEconomy Adriverwhoacceleratesquicklyandbrakesheavilyreduces
(Ex 3)
f.
(Ex 4)
his car’s fuel economy by as much as 33%. The car is supposed to get 32 miles per gallon. Using an equation, find the actual fuel economy of the car.
Fund-Raising A school raised $15,432 for a new computer lab. The money will be allotted as follows: 50% for construction costs, 45%
for technology purchases, and 5% for incidental expenses. Using a proportion, find the amount that will be spent on technology purchases.
Solve each equation. Check your answer.
1. 5d-8=3+7d 2. 9+2.7t=-4.8t-6
(29) (29)
Solve each equation for the indicated variable.
3.
(29)
5.
(13)
6.
(42)
8.
(4 0)
*9.
(42)
*10.
(42)
*11.
(42)
V=_1lwhforw 3
√ 42 is between which two integers? What is 18% of 340?
Simplify (6mn3)2.
Multiple Choice What is 54% of 1200? A 64.8 B 600
4. d=rtfort (29)
*7. What is 270% of 93? (42)
C 648 D 1254 GasPrices Shoshannahresearchedgasolinepricesandfoundthatgaswas224%
more expensive than it had been during the same week 5 years previously, when the average price of regular gasoline was $1.36 per gallon. What was the new price?
Write Explain how fractions, percentages, and decimals are all related.
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Saxon Algebra 1