Question

7. Jumbo can repair a machine in 1 hour 30 minutes. He asks Rambo to give him support in the process of repair.
Together, they start doing the repair and complete the taskin 1 hour only. Had Rambo been given this task,
how much time would he have taken to repair the machine?​

Answer 1

Answer:

30 min

Step-by-step explanation:

1 hrs 30 minutes - 30 minutes is equal to 1 hrs

and in this question he also done his work together in 1 hrs ,, so that's why the answer is 30 minutes