Answer: an hour and 49.5 minutes
Explanation:
1/2 = 5/10
2/5 = 4/10
5/10 + 4/10 + 3/10 = 12/10
12/10 = 144/120
5/8 = 75/120
75/120 + 144/120 = 219/120
219/120 = 1 99/120 = 1 49.5/60
hope this helps!
74.5 minutes
Turn every fraction denominator to 60 since those are minutes
5. 14.5
- ×7.5= -----
8. 60
Add all of the numerators together for the total number of minute
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