Please Help!!
Jean and Mark are going to fill a pool with 2 different sized hoses. Jean can fill the pool in 8 hours, while Mark can complete it in 12 hours. Their supervisor thinks that the job will take 10 hours to complete if they work together.
Explain each step in solving this equation, and determine if the supervisor is correct or not.

Respuesta :

apperently someone deleted my question i was trying to see if you had understood what i was trying to help you on

Answer:

4.8 hours so the supervisor is incorrect

Step-by-step explanation: