Question

2. there are two phone plans. One plan a $28 monthly fee, and cost 9 cents per minute. The second plan is 13 cents per minute, and $ 30 monthly fee.
A. Write and equations to represent the number of minutes use in a month that will make the plans cost the same?

B. Solbe the equation to find the number of minutes
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3. cell phone plan costs per month for unlimited calling plus $0.15 per text message.

A. write a linear model that represents the monthly cost of this cell phone plan if the user sends t text messages

b. if you send 200 text messages, how much would you pay according to this cell phone plan?

Answer 1

Answer:

for the first one the answer is 28-9=18 and 30-13=17 are not the same but are close and for the second one the answer is $30 for the phone plan cause 200×0.15=30