A call to Tucson from a pay phone in Chicago cost 85 cents for the first minute and 27 cents for each additional minute or portion of a minute. If a student has $9.00 in change, how long can she talk?
A) 42 min
B) 30 min
C) 34 min
D) 31 min
E) 38 min

Question

Quizplus · Accepted Answer

The first minute costs 85 cents, leaving $8.15 ($9.00 - $0.85). Each additional minute costs 27 cents. $8.15 divided by $0.27 equals 30.18, which means 30 additional minutes plus the first minute equals 31 minutes total.

A Call to Tucson from a Pay Phone in Chicago