chickenfeet57 chickenfeet57

19-03-2021
Mathematics

contestada

A long-distance delivery truck averages 8 miles per gallon when the truck is full. The
miles per gallon improves by 20% when the truck is empty. If the truck travels 160 miles
full to deliver its goods, and then travels back 160 miles empty, approximately how many
gallons will the truck use in all?

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satashinakumoto satashinakumoto

19-03-2021

8 mpg when full
8*1.2=9.6mpg when empty
160/8+160/9.6=36.67

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