document.write( "Question 296468: THE DIFFERENCE OF TWO NUMBERS IS 88. THE SECOND NUMBER IS 20% OF THE FIRST NUMBER. WHAT ARE THE NUMBERS? TRANSLATE INTO A PAIR OF LINEAR EQUATIONS IN TWO VARIABLES AND SOLVE USING ELIMINATION OR SUBSTITUTION METHOD. \n" ); document.write( "
Algebra.Com's Answer #213605 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! THE DIFFERENCE OF TWO NUMBERS IS 88. THE SECOND NUMBER IS 20% OF THE FIRST NUMBER. WHAT ARE THE NUMBERS? \n" ); document.write( "----------- \n" ); document.write( "Equations: \n" ); document.write( "x - y = 88 \n" ); document.write( "y = 0.20x \n" ); document.write( "-------------- \n" ); document.write( "Solve the 1st equation for \"x\" and substitute into the 2nd equation: \n" ); document.write( "x = y+88 \n" ); document.write( "--------- \n" ); document.write( "y = 0.20(y+88) \n" ); document.write( "0.8y = 0.2*88 \n" ); document.write( "y = (1/4)(88) \n" ); document.write( " y = 22 \n" ); document.write( "--- \n" ); document.write( "Since x = y+88, x = 22+88 = 110 \n" ); document.write( "================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |