document.write( "Question 137986: Chris has invested $2,3000 in two small buisnesses. Last year, the greeting card buisness made a 14% profit on her investment in the buisness, while the bicycle repair buiness showed a 6% loss. If Chris' net profit fromm the two buisnesses was$102, her investment in the greeting card buisness was? \n" ); document.write( "
Algebra.Com's Answer #100813 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! LETS ASSUME THE INVESTMENT IS 23,000 \n" ); document.write( ".14X-.06(23,000-X)=102 \n" ); document.write( ".14X-1,380+.06X=102 \n" ); document.write( ".2X=102+1,380 \n" ); document.write( ".2X=1,482 \n" ); document.write( "X=1,482/.2 \n" ); document.write( "X=$7,410 ANSWER FOR THE AMOUNT INVESTED IN THE CARD BUSINESS. \n" ); document.write( "23,000-7,410=15,590 AMOUNT INVESTED IN THE BIKE SHOP. \n" ); document.write( "PROOF \n" ); document.write( ".14*7,410-.06*15,590=210 \n" ); document.write( "1037.4-935.4=102 \n" ); document.write( "102=102 \n" ); document.write( " \n" ); document.write( " |