Question

Karens monthly cell phone bill depends on the number of minutes, m, she talks. The expression 10+0.25m can be used to determine the amount of her bill what will be the amount of karens bill if she talks for 200 minutes in one month?

Answer 1

Answer: The amount of Karen's bill = $ 60

Explanation:

Given : The expression 10+0.25m can be used to determine the amount o, where m = The number of minutes she talks.

If she talks for 200 minutes in one month, then put m= 200 in the above expression we will get the amount of Karen's bill = 10+0.25(200)

= 10+ 50

= 60

Hence, the amount of Karen's bill = $ 60