Answer:
he had $90
he bought a phone for $75
90-75=15
he has $15 now
15÷0.06=1500÷6=250 minutes
The answer is B, 15,504.
The reasoning is 20C15.
20!
---------------
(20-15)!15!
The answer to that is 15,504.
Hope I helped, boom!
Step-by-step explanation:
if it's easy why don't you do it. not trying to be rude are whatever