document.write( "Question 322557: a sporting goods store receives a shipment of 124 bags. two types of bags type a 38.50 type b 22.50 total cost is 3430 how many of each type? \n" ); document.write( "
Algebra.Com's Answer #230907 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a sporting goods store receives a shipment of 124 bags. \n" ); document.write( "two types of bags: type a 38.50 type b 22.50 total cost is 3430 how many of each type? \n" ); document.write( "---- \n" ); document.write( "Quantity Eq.: a + b = 124 \n" ); document.write( "Value Eq.:::38.5a + 22.5b = 3430 \n" ); document.write( "------------------------------------- \n" ); document.write( "Multiply thru 1st Eq by 385 \n" ); document.write( "Multiply thru 2nd Eq by 10 \n" ); document.write( "------------------------------------- \n" ); document.write( "385a + 385b = 385*124 \n" ); document.write( "285a + 225b = 34300 \n" ); document.write( "------------------------------- \n" ); document.write( "Subtract 2nd from 1st and solve for \"b\": \n" ); document.write( "160b = 13440 \n" ); document.write( "b = 84 (# of type \"b\" bags \n" ); document.write( "---- \n" ); document.write( "Since a + b = 124, a = 124-84 = 40 (# of type \"a\" bags) \n" ); document.write( "============================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |