Question

Please solve right now

Answer 1

45 mph

251 ft

Explanation:

`s = √(30fl)`

a.)

`s = √(30(0.85)(80))`

`s = √(2040)`

`s = 45`

Answer: 45 mph

b.)

`80 = √(30(0.85)l)`

`80^2 = (√(25.5l))^2`

`25.5l = 6400`

`l = 251`

Answer: 251 ft