The family’s fuel efficiency in miles per gallon is 32.67miles/gallon .The cost of their 1060-mile route if gasoline costs $2.35 per gallon is $ 76.234.
The measure of the length between two points is called Distance.
It is a scalar quantity.
The family's fuel efficiency = Distance travelled/ Fuel required
= 750/54
= 13.89 km/l
= 13.89* 0.621/0.264 miles/gallon
=32.67miles/gallon
For the same fuel efficiency ,
cost for Washington DC trip
Distance = 1060 mile
fuel required = 1060/32.67
=32.44 gallon
Cost of 1 gallon = $2.35
Cost of 32.44 gallon = 32.44 * 2.35
=$76.234
The cost of their 1060-mile route if gasoline costs $2.35 per gallon is $ 76.234.
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