Diana went on a trip over spring break. She traveled 477.7 miles and used 17 gallons of gas. At what unit rate did Diana use gasoline? A. 45.1 miles per gallon B. 29.86 miles per gallon C. 460.7 miles per gallon D. 28.1 miles per gallon
Question
Diana went on a trip over spring break. She traveled 477.7 miles and used 17 gallons of gas. At what unit rate did Diana use gasoline? A. 45.1 miles per gallon B. 29.86 miles per gallon C. 460.7 miles per gallon D. 28.1 miles per gallon
Solution
To find the unit rate of gas usage, we need to divide the total miles traveled by the total gallons of gas used.
Step 1: Identify the total miles traveled and the total gallons of gas used. In this case, Diana traveled 477.7 miles and used 17 gallons of gas.
Step 2: Divide the total miles traveled by the total gallons of gas used.
477.7 miles ÷ 17 gallons = 28.1 miles per gallon
So, the correct answer is D. 28.1 miles per gallon.
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