Respuesta :
Answer:
99 minutes
Step-by-step explanation:
13.93 -7(monthly fee) = 6.93,
6.93/.07(each minute) = 99 minutes
Answer: Sam was billed for 99 minutes
Step-by-step explanation:
$13.93-$7=$6.93
6.93 ÷0.07=99
so he was billed for 99 minutes.