Answer:
21.8 Miles
Step-by-step explanation:
If you are to subtract 4.2 from 25 it equals to 21.8 miles. And to Check your work add 21.8 miles and 4.2 miles it equals 25 miles.
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➡ He must drive 20.8 miles now.
The solution is in the attachment
9+3
= 12
9 +3 +
10
11
12