Question

a person who runs the 100 yd dash in 10.5 sec has an average speed of 9.52 yd/sec ...convert 9.52yd/ sec to miles/ hour (round to the nearest tenth)

Answer 1

so you have,
9.52 (yard/sec) * (3ft / 1yard) * (60secs/1min)

Answer 2

hold on i thought it was feet give me a sec

Answer 3

ok so

so you have,
9.52 (yard/sec) * (3ft / 1yard) * (60secs/1min) * (1mile/5280ft) * (60min/hr)

Answer 4

so you get
19.47 miles/hour

Answer 5

got it?

Answer 6

Yea but it says round it so im guessing 19.5 correct?

Answer 7

ya