SOLUTION: 10.) In 2008, the United States consumed 20,680,000 barrels of oil per day. A barrel of oil is 42 U.S. gallons. In 2008, there were about 305,000,000 people in the United States. E

Question 985671: 10.) In 2008, the United States consumed 20,680,000 barrels of oil per day. A barrel of oil is 42 U.S. gallons. In 2008, there were about 305,000,000 people in the United States. Estimate how many gallons each person in the United States consumed each day in 2008 by rounding down all three numbers. Round your answer to two decimal places. (Round 20,680,000 barrels to 20,000,000 barrels, 305,000,000 people to 300,000,000 people, and 42 gallons to 40 gallons.)
gal:
Calculate the answer without using estimation and compare the two results. Round your answer to two decimal places.
gal:
11.) You need to order carpet. One store, Store 1, advertises carpet at a price of $1.50 per square foot. Another store, Store 2, has the same carpet advertised at $12.00 "per yard." (What the store really means is the price per square yard.) Which is the better buy?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
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11.)
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1 yd^2 = 1yd x 1yd=3 ft x 3 ft=9ft^2
($12/yd^2)(1yd^2/9ft^2)=$1.33/ft^2
$1.33 per square foot is less than $150 per square foot, so Store 2 has the better buy.
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