Answer:
sorry I don't know
Step-by-step explanation:
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So 55% is really 55/100
You take 100 - 55 to find how much Mr. Williams drove
100 - 55 = 45
So Mr. Williams drove 45/100 of the miles
Simplified is 9/20 of the miles
$16.80 / 4 gallons = $4.20 per gallon
