Question

Heather drove 405 miles using 20 gallons of gas. At this rate, how many gallons of gas would she need to drive 243 miles?

Answer 1

12 gallons

Explanation:

Miles: gallons

405 : 20

243 : X

X/243 = 20/405

X = 243 × 20/405

X = 12

Answer 2

12(gallon)

Explanation:

x = 20 x 243/405 = 12