SOLUTION: tony makes a phone call at a pay phone. the charge is 25 cents for the first 4 minutes, and 10 cents for each additional minute. tony has $2.10 in change in his pocket. write an in

Question 975926: tony makes a phone call at a pay phone. the charge is 25 cents for the first 4 minutes, and 10 cents for each additional minute. tony has $2.10 in change in his pocket. write an inequality that can be used to find m, the maximum number of minutes that tony can talk on the phone

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
0.25 + 0.10 (x-4) <+ 2.10; x= an integer number of minutes. Need to subtract 4, because the first four are paid for with the 0.25 charge. Need an integer, because fractional minutes count as a full minute.
0.25+ 0.10x -0.40 <=2.10
-0.15 +0.10 x<=2.10
0.10x <=2.25 This is an alternative.
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