You are choosing between two long distance telephone plans. One plan has a monthly fee of $15 with a charge of $.05 per minute. The other plans has a monthly fee of $5 with a charge of $.07 per minute. For how many minutes of long-distance calls with the cost for the two plans be the same?

Question

You are choosing between two long distance telephone plans.  One plan has a monthly fee of $15 with a charge of $.05 per minute.  The other plans has a monthly fee of $5 with a charge of $.07 per minute.  For how many minutes of long-distance calls with the cost for the two plans be the same?

Reiny · Answer

solve 15 + .05t = 5 + .07t I suggest multiplying each term by 100 and then it becomes easy.

Anonymous · Answer

500