Question

A type of electric car can travel 3 miles on 1-kilowatt hour of electricity. How many kilowatt hours of electricity would it take Dorthy to drive her electric car to her aunt​'s house and​ back? Dorthy lives 42 miles from her aunt .

Answer 1

28 kilowatt hours

Explanation:

The total distance = 2 × 42 miles = 84 miles

So the kilowatt hours of electricity would it will take =
`(84)/(3)= 28\:kilowatt hours`