Question

a furniture store charges by the mile to make deliveries the fee to deliver furniture 28 miles was 10.50 dollars what fee will be charged to make a delivery 48 miles was store at that rate

Answer 1

fee/48 = 10.50/28 . . . . . the fee is proportional to mileage
fee = 48(10.50/28) = 18.00

$18.00 will be charged for a 48-mile delivery.