Question

How many miles will a race car travel in 90 seconds at a rate of 80 miles per hour?

Answer 1

Answer:

Step-by-step explanation:

$\frac{80 mi}{60 min}$ = $\frac{80}{3600}$ =  = $\frac{8}{360}$ mile per second

$\frac{2}{90}$ × 90 = 2 miles

Answer 2

Answer:

2 miles

Step-by-step explanation:

80 miles per hour

1 hours 60×60=3600sec

3600 seconds=80 miles

90 seconds=80×90÷(3600)

=2miles