document.write( "Question 1047015: Over the last three evenings, Karen received a total of 100 phone calls at the call center. The second evening, she received 10 fewer calls than the first evening. The third evening, she received 3 times as many calls as the first evening. How many phone calls did she receive each evening? \n" ); document.write( "
Algebra.Com's Answer #662494 by stanbon(75887) ![]() You can put this solution on YOUR website! Over the last three evenings, Karen received a total of 100 phone calls at the call center. The second evening, she received 10 fewer calls than the first evening. The third evening, she received 3 times as many calls as the first evening. How many phone calls did she receive each evening? \n" ); document.write( "-------------------- \n" ); document.write( "f + s + t = 100 calls \n" ); document.write( "s = f+10 \n" ); document.write( "t = 3f \n" ); document.write( "-------- \n" ); document.write( "Solve for \"f\":: \n" ); document.write( "f + f+10 + 3f = 100 \n" ); document.write( "5f = 90 \n" ); document.write( "f = 18 (calls on first night) \n" ); document.write( "s = f+10 = 28 (calls on second night) \n" ); document.write( "t = 3f = 54 (calls on third night) \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------------ \n" ); document.write( " |