Answer: 30 miles
Explanation:
1st day = 11 3/4 = 11.75 miles
2nd day = 10 1/5 = 10.2 miles
3rd day = 7 7/8 = 7.875 miles
If we add these three distances
11.75 + 10.2 + 7.875 = 29.825 miles
That is nearest to 30 whole miles
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