Question:

A father and his son can clean the house together in 2 hours. When the son works alone, it takes him an hour longer to clean than it takes his dad alone. Find how long it takes the son to clean alone.

A father and his son can clean the house together in 2 hours. When the son works alone, it takes him an hour longer to clean than it takes his dad alone. Find how long it takes the son to clean alone.

It takes the son ____ hours to clean alone. (Round to the nearest tenth.)

A father and his son can clean the house together in 2 hours. When the son works alone, it takes him an hour longer to clean than it takes his dad alone. Find how long it takes the son to clean alone. It takes the son ____ hours to clean alone. (Round to the nearest tenth.)