document.write( "Question 1141792: The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for 37 minutes of calls is $17.47 and the monthly cost for 48 minutes is $18.90. What is the monthly cost for 43 minutes of calls? \n" ); document.write( "
Algebra.Com's Answer #762421 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! This example problem is very much like the driving-time problem earlier. \n" ); document.write( " |