Noah spent $66 for 20 gallons of gasoline. Lydia spent 81.25 for 25 gallons of gasoline which person got the better buy?

Noah spent $3.3 for 1 gallon of gasoline.

Lydia spent $3.25 for 1 gallon of gasoline.

Step-by-step explanation:

To find how much each person spent for 1 gallon of gasoline, we divide the amount spent by the number of gallons.

Noah spent $66 for 20 gallons of gasoline.

Amount spent $66, 20 gallons. So

66/20 = $3.3

Noah spent $3.3 for 1 gallon of gasoline.

Lydia spent $81.25 for 25 gallons of gasoline.

Amount spent $81.25, 25 gallons. So

81.25/25 = $3.25

Lydia spent $3.25 for 1 gallon of gasoline.

Lydia because she spent 5 cents less than Noah.

Step-by-step explanation:

To find the costs of each you just divide how much money you spent by the number of gallons.

Noah: 66/20= 3.3 per gallon

Lydia: 81.25/25= 3.25 per gallon

3.3-3.25=.05

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.