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?

 The amount of Karen's bill = $ 60

Step-by-step 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