document.write( "Question 1013332: Marge has $30 and is saving at the rate of $7 per week. Hank has $90 and is saving a the rate of $3 per week. How many weeks will it take for them to save the same amount? \n" ); document.write( "
Algebra.Com's Answer #629585 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Marge has $30 and is saving at the rate of $7 per week. \n" ); document.write( "M(x) = 30 + 7x \n" ); document.write( "-----------------------\r \n" ); document.write( "\n" ); document.write( "Hank has $90 and is saving a the rate of $3 per week. \n" ); document.write( "H(x) = 90 + 3x \n" ); document.write( "------------------------\r \n" ); document.write( "\n" ); document.write( "How many weeks will it take for them to save the same amount? \n" ); document.write( "--------- \n" ); document.write( "Solve:: M(x) = H(x) for \"x\":: \n" ); document.write( "------ \n" ); document.write( "30+7x = 90+3x \n" ); document.write( "4x = 60 \n" ); document.write( "x = 15 weeks \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======== \n" ); document.write( " \n" ); document.write( " |