Question

joe bought g gallons of gasoline for $2.85 per gallon and c cans of oil for $3.15 per can.
part a
what expression can be used to determine the total amount joe spent on gasoline and oil?
part b
joe spent $15. he bought

Explanation:

Step1: Calculate cost of gasoline

Cost of gasoline = price per gallon × number of gallons = $2.85g$

Step2: Calculate cost of oil

Cost of oil = price per can × number of cans = $3.15c$

Step3: Total cost

Total amount spent = cost of gasoline + cost of oil = $2.85g + 3.15c$

Answer:

The expression to determine the total amount Joe spent is $2.85g + 3.15c$.