Answer:
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Step-by-step explanation:
X = total miles run
4.6 + 0.78 + 3.4 = x
8.78 = x......so he ran a total of 8.78 miles
Step-by-step explanation:

The answer would be <span>eleven million seven hundred sixty thousand eight hundred twenty five
</span>
You would subtract 0.76 from 100 and your answer will be 99.24