SOLUTION: One cellular plan is 5 dollars per month plus 2 cents per minute and the other plan adds 100 to the number of minutes you use and then charges 4 cents per minute. How many minutes

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Question 200236: One cellular plan is 5 dollars per month plus 2 cents per minute and the other plan adds 100 to the number of minutes you use and then charges 4 cents per minute. How many minutes of use will the cost of the two plans be equal?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent the number of minutes you use. Then, if you convert $5.00 to 500 cents, the total cost of the first plan is:



The total cost of the second plan is:



You are interested in the value of x when the two costs are equal, so set the two expressions equal to each other and solve for :











Check:





They are the same, so the answer checks.


John