MathDB
Online Service Fees

Source:

July 21, 2017
AMC 10Easyish AMC 10

Problem Statement

Chandra pays an on-line service provider a fixed monthly fee plus an hourly charge for connect time. Her December bill was $12.48\$12.48, but in January her bill was $17.54\$17.54 because she used twice as much connect time as in December. What is the fixed monthly fee?
(A)$2.53(B)$5.06(C)$6.24(D)$7.42(E)$8.77\mathrm{(A)} \$2.53 \qquad\mathrm{(B)} \$5.06 \qquad\mathrm{(C)} \$6.24 \qquad\mathrm{(D)} \$7.42 \qquad\mathrm{(E)} \$8.77
Back to ProblemsView on AoPS