Question

the total cost of gary cell phone plan includes a one time cost for a phone plus a monthly fee this table shows the total cost if gary's cell phone plan as it accumulates from month 1 though month 5 what is the monthly fee for gary's cell phone plan

Answer 1

20$ increasing every month

Explanation:

This problem is a slope problem, so his cell phone plan increases by 20$ every month, so solve for slope

`(120-100)/(2-1) =(20)/(1) =20`