To find the answer for this question you need to find out what 10% of 5 hours is and what 90% of 70 minutes is.
10% of 5 hours:
I change the hours into minutes. 60x5=300. I find out what 10% of 300 is.
300x0.10=30. 10 percent of 5 hours is 30 minutes.
I find out what 90% of 70 is:
70x0.90=63. 90% of 70 minutes is 63.
Now we find out how many minutes it took for manny to cut the entire lawn. 30+63=93. It took him 93 minutes/1 hour and 33 minutes.
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