Question

Rihanna worked for 3 hours 35 minutes

on Monday. She worked for 2 hours
50 minutes on Wednesday. She wants
to work enough hours on Friday so she
works a total of 8 hours. How much
longer does she need to work?

Answer 1

1 hour and 35 minutes

Explanation:

3 hours and 35 minutes + 2 hours and 50 minutes = 6 hours and 25 minutes.

8 hours - 6 hours and 25 minutes = 1 hour and 35 minutes