How much did a certain telephone call cost?

This topic has expert replies
Moderator
Posts: 1991
Joined: 15 Oct 2017
Followed by:6 members

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

Source: Official Guide

How much did a certain telephone call cost?

1) The call lasted 53 minutes
2) The cost for the first 3 minutes was 5 times the cost for each additional minute

The OA is E