You fill your car with 15 gallons of gas at a cost of $45. Using fractional notation, how do you write a proportion that shows how much 5 gallons of gas will cost? Use x to represent the unknown cost.(1 point)

Responses

15:45::x:5
ratio of 15 to 45 colon colon ratio of x to 5

1545=5x
Start Fraction 15 over 45 End Fraction equals Start Fraction 5 over x End Fraction

1545=x5
Start Fraction 15 over 45 End Fraction equals Start Fraction x over 5 End Fraction

15x=455