Respuesta :

Answer:

7.5 mph

Step-by-step explanation:

First, you are supposed to divide 2.5 by 20. The answer you will get will be 0.125.  

2.5/ 20 = 0.125

Then you are to multiply 0.125 by 60. The answer will be 7.5

0.125 * 60 = 7.5

Thus, the boat's speed is 7.5 mph