Answer: Bobby, Amy, Carlos
Explanation:
Amy spent $6.00 for 2 gallons of gas.
The price per gallon will be:
= $6/2
= $3 per gallon
Bobby paid $15.00 for 6 gallons of gas.
The price per gallon will be:
= $15/6
= $2.5 per gallon
Carlos paid $32.00 for 8 gallons of gas.
The price per gallon will be:
= $32/8
= $4 per gallon
From the cheapest to the most expensive will be:
Bobby, Amy, Carlos