30 + .50x = T1
Substitute 52 for x and solve.
Do a similar procedure for the other company.
Hey guys I need some help with this question PLZ:
A telecommunications company offers a rental deal which costs $30 per month plus 50c per call.
a) Find the total cost (T1) for making x calls in a given month
b)Find the total cost for making 52 calls in a given month
ANOTHER company charges $10 per month plus 80c per call.
c) Find the total cost (T2) for making x calls in a given month.
d) Find the total cost for making 52 calls in a given month.
e) If a potential customer averages 52 calls per month, which company should she buy the phone from?
THANK YOU SO MUCH to anyone who answers this question for me, it would be a big help.
1 answer