A long-distance telephone company charges a rate of 6 cents per minute or a 40 -cent minimum charge per completed call, whichever is greater. Find the cost, in cents per minute, for a 3 -minute call.

Given

charges per call are the maximum of $0.40 or $0.06 per minute

Find

the charge for a 3-minute call

Solution

maximum ($0.40, $0.06 * 3) = maximum ($0.40, $0.18) = $0.40

The charge for a 3-minute call is $0.40.