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.
Responses
15/x=45/5
15:45::x:5
15/45=x/5
15/45=5/x
The correct proportion is: 15/45 = 5/x
The correct proportion that shows how much 5 gallons of gas will cost is:
15/x = 45/5