Answer:
14.25 hours
Explanation:
We know
2.25 hours = 1 yard
13.5 hours = 6 yards
1/3 yard = 2.25 / 3 = 0.75 hours
To find how long it takes him to complete 6 1/3 yards, we take
13.5 + 0.75 = 14.25 hours
So, he spent 14.25 hours mowing yards.
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