Question

25 feet in 4 seconds; 80 feet in x seconds write a proportion for each phrase and solve it​

Answer 1

12.8 seconds

Explanation:

Create a proportion where x is the number of seconds for 80 feet

`(25)/(4)` =
`(80)/(x)`

Cross multiply and solve for x

25x = 320

x = 12.8

So, the answer is 12.8 seconds