Answer :
The answer is D. $12.26. The cost is $0.14 per 1 mile. The question is how much will be per 87.6 miles. Make a proportion: $0.14 per 1 mile. x per 87.6 miles. $0.14 : 1 mile = x : 87.6 miles. Cross the products: x * 1 mile = $0.14 * 87.6 miles. x * 1 mile = $12.26 per mile. x = $12.26 per mile / 1 mile. x = $12.26.