document.write( "Question 386766: Grant is five times as old as Francis. One third of the sum of their ages is equal to 32. Find their ages. \n" ); document.write( "
Algebra.Com's Answer #273360 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Grant is five times as old as Francis. One third of the sum of their ages is equal to 32. Find their ages. \n" ); document.write( "----------------------------------- \n" ); document.write( "Equations: \n" ); document.write( "g = 5f \n" ); document.write( "(1/3)(g+f) = 32 \n" ); document.write( "--- \n" ); document.write( "Rearrange: \n" ); document.write( "g=5f \n" ); document.write( "g+f = 96 \n" ); document.write( "---- \n" ); document.write( "Substitute for \"g\" and and solve for \"f\": \n" ); document.write( "5f + f = 96 \n" ); document.write( "6f = 96 \n" ); document.write( "f = 16 (Francis' age now) \n" ); document.write( "--- \n" ); document.write( "Since g = 5f, g = 5*16 = 80 (Grant's age now) \n" ); document.write( "================================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |