document.write( "Question 1005402: Five oranges and an apple cost php87 , five apples and one orange cost php 99 . How much do 2 oranges and 2 apples cost? \n" ); document.write( "
Algebra.Com's Answer #621692 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "X=cost of orange; Y=cost of apple \n" ); document.write( ". \n" ); document.write( "5X+Y=php87 \n" ); document.write( "Y=php87-5X \n" ); document.write( ". \n" ); document.write( "X+5Y=php99 \n" ); document.write( "X+5(php87-5X)=php99 \n" ); document.write( "X+php435-25X=php99 \n" ); document.write( "-24X=-php336 \n" ); document.write( "X=php14 One orange costs php14 \n" ); document.write( ". \n" ); document.write( "Y=php87-5X \n" ); document.write( "Y=php87-5(php14) \n" ); document.write( "Y=php87-php70 \n" ); document.write( "Y=php17 One apple costs php17 \n" ); document.write( ". \n" ); document.write( "C=Cost of 2 apples and 2 oranges \n" ); document.write( "C=2X+2Y \n" ); document.write( "C=2(php14)+2(17php) \n" ); document.write( "C=php28+php34 \n" ); document.write( "C=php62 \n" ); document.write( "ANSWER: Two apples and two oranges cost php62. \n" ); document.write( " \n" ); document.write( " |