Sue worked 10 1/2 hours over a three-day period. she worked 2 1/2 hours on the first day and 4 1/5 hours on the 2nd, how many hours did to work on the third day?

1 Answer
Sep 20, 2017

Sue worked 3.5 hours on the 3rd day.

Explanation:

To solve this problem, you need to add up the hours work on days 1 and 2 and subtract that number from 10.5. Like this:
2.5 + 4.5 = 7
10.5 - 7 = 3.5
So, Sue worked 3.5 hours on the 3rd day.