He will need to go 7/8 more miles
It is half of 7/4. That is, 7/8 miles (or .875 miles)
Dominick lives 1 4 3 miles from school, which is equal to 4 7 miles. After his mother drives him half the way ( 8 7 miles), he will need to walk the remaining distance of 8 7 miles. Therefore, Dominick has to walk 8 7 miles to reach his school.
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