SOLUTION: Rachel and Sarah started out to visit Grandma. They drove for 50 miles and stopped to rest before driving for 30 more miles. They decided to go back 10 miles to a restaurant they h

Question 1006561: Rachel and Sarah started out to visit Grandma. They drove for 50 miles and stopped to rest before driving for 30 more miles. They decided to go back 10 miles to a restaurant they had seen. After leaving the restaurant, they drive 80 more miles to Grandma's house. If gasoline is $2 a mile,
How much money did Rachel and Sarah spent on gas to get to Grandma's house and back?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Let's see now...
50 + 30 + 10 (going back) + 80 + 150 (distance back) = 320 miles
If gas is $2 per mile (which seems extreme), that would total
$640.
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