it takes 24 hours to fill a large pool with two hoses, where the water in one hose flows four times as fast as the other hose.

how long will it take the slower hose to fill the basin if the faster hose is not functioning

A-60
B-72
C-96
D-120​

Respuesta :

4.8 h
Say the slow hose flows x
The fast hose flows 4x
5x = 24
x = 4.8