Question

for his phone service carlos pays a monthly fee of $19 and he pays an additional $0.07 per minute of use the lease has been charging a month is $97.75 what are the possible numbers of minutes he has used his phone in a month?

Answer 1

(97.75-19)/0.07=1125

He spent 1125 minutes that month.

Aka 18 hours 45 minutes.