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Chapter 6: Q16. (page 288)
Use equivalent ratios to solve the proportion.
The solution is .
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Use the information given on page 285 to determine how much food a 12,500 pounds elephant eats per day.
Write the equivalent rate.
Extended Problem Solving Your family used two full tanks of gasoline on a road trip. Your car drives about 25 miles per gallon, and the tank holds 12 gallons of gasoline.
a. Find the approximate number of gallons of gasoline used on the trip.
b. Find the approximate number of miles you drove on the trip.
c. Calculate Assume gasoline costs \(4.50 per gallon. How much did you spend per mile on gasoline?
d. Apply You have \)60 to spend on gasoline for another trip. The trip is 350 miles. You spend the same amount per mile on gasoline as on the first trip. Do you have enough money for gasoline? Explain.
Write the equivalent rate.
In 2002, Khalid Khannouchi set the world record for a marathon when he ran 26.2 miles in 2 hours, 5 minutes, and 38 seconds. Round your answers to the nearest tenth.
a. Find Khannouchi鈥檚 rate in miles per hour.
b. Find Khannouchi鈥檚 rate in miles per minute.
c. Find Khannouchi鈥檚 rate in feet per minute.
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