Question

it takes a submarine 30 seconds to dive 225 feet, moving at a constant speed. the captain wants to know the rate at which the submarine dives. at what rate does the submarine dive? blank feet per second

Explanation:

Step1: Define rate formula

Rate = $\frac{\text{Total Distance}}{\text{Total Time}}$

Step2: Substitute given values

Rate = $\frac{225}{30}$

Step3: Calculate the rate

Rate = $7.5$

Answer:

7.5 feet per second