Question

Each month, a phone company charges $20 for 500 minutes of talk time plus $0.45 for each additional minute. Unlimited texting costs $30 more. Choose an expression to show the cost of a talk-and-texting plan for one month, given x minutes over 500.

A. 0.45+50x
B.50+0.45x
C.30+20x
D.500+50+0.45x

Answer 1

Answer:

b) 50 + 0.45x

Step-by-step explanation:

20 for upto 500 min

30 for text

= 50

x min over 500

rate is 0.45 per min

= 0.45x

sum of both

= 50 + 0.45x