Question

Demarco paid $3.19 per gallon both times that he stopped for gas on a weekend trip. He bought 12.53 gallons of gas the first time and 11.86 gallons the second time. Which expression shows the total cost in dollars of the gas he bought on this trip?

Answer 1

he paid 3.19 per gallon both times......first time he bought 12.53 gallons....next time he bought 11.86 gallons

so ur expression is : 3.19(12.53 + 11.86)

Answer 2

The first option is the correct answer.

Explanation:

Cost of per gallon of gas = $3.19

Amount of gas purchased on first trip = 12.53 gallons

Amount of gas purchased on second trip = 11.86 gallons

The expression that shows the total cost in dollars of the gas Demarco bought on this trip is :

Total cost =
`3.19(12.53+11.86)`

If you want to solve it, the answer comes $77.80