SOLUTION: Please I need help about this problem I need to help my daughter. Cathy spent 3/10 of an hour on her math homework, 2/5 of an hour on her science homework, and 3/4 of an houron her

Question 695810: Please I need help about this problem I need to help my daughter. Cathy spent 3/10 of an hour on her math homework, 2/5 of an hour on her science homework, and 3/4 of an houron her reading homework. How long di Cathy work on homework?
Answer by mouk(232) (Show Source): You can put this solution on YOUR website!

So 1.45 of an hour (note: this is not 1hr 45mins)
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