Question

400 feet in 52.4 seconds
a.
76 feet per second
c.
7.7 feet per second
b.
0.76 foot per second
d.
7.6 feet per second


how do i solve this?

Answer 1

\[\frac{ 400~feet }{ 52.4~second } = \frac{ x ~ft }{ 1~second }\]

Answer 2

cross multiply?

Answer 3

yes, you can do that

Answer 4

all you really have to do is multiply both sides by 1 second

Answer 5

divide 400 by 52.4

Answer 6

D

Answer 7

\[\frac{ 400~feet }{ 52.4~second }=\frac{ (400/52.4)~ft }{ 1 ~s }\]