Trevor's dad decided to get him a cell phone for his birthday. Cell Plus has a plan that costs $27.00 per month plus an additional $0.06 per minute. Cell Best has a plan that costs $30.00 per month plus an additional $0.05 per minute. How many minutes can Trevor talk and both cell plans cost the same amount?

A. 600
B. 30
C. 150
D. 300

Question

Trevor's dad decided to get him a cell phone for his birthday. Cell Plus has a plan that costs $27.00 per month plus an additional $0.06 per minute. Cell Best has a plan that costs $30.00 per month plus an additional $0.05 per minute. How many minutes can Trevor talk and both cell plans cost the same amount?

A. 600
B. 30
C. 150
D. 300

anonymous · Answer

Let c be the total cost and t be the time in minutes
For Cell Plus: 
c=27+0.06t---(1

For Cell best: 
c=30+0.05t---(2

from ---(1 and ---(2 we have 
27+0.06t =30+0.05t
0.06t-0.05t =30-27
0.01t= 3
t= 3/0.01
t= 300

Hence option D = 300 minutes is the correst Answer

anonymous · Answer

Hence, Trevor talk 300 minutes on both cell plans cost the same amount.

anonymous · Answer

thank you :)

anonymous · Answer

U r most welcome