8 hours to drive 432 miles

The number of hours will be to the left of the decimal point: 432 miles / 3 mph = 144 = 144 hours

Unit Rate: 54 miles per hour

Step-by-step explanation:

432/8=54

2.83941151 would be the answer you're looking for! : )

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: