Nancy’s van traveled 84 miles on 6.5 gallons of gas. at this rate, how many gallons of gas would be needed to travel 126 miles?

16.8 miles

Step-by-step explanation:

this is the answer

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6