document.write( "Question 320746: Reggie is three less than four times his daughter's age. Reggie is 69; how old is his daughter? \n" ); document.write( "
Algebra.Com's Answer #229794 by GreatDane(2)![]() ![]() ![]() You can put this solution on YOUR website! First, start by makings some \"let\" statements.\r \n" ); document.write( "\n" ); document.write( "Let R = Reggie's Age. \n" ); document.write( "Let D = Daughter's Age.\r \n" ); document.write( "\n" ); document.write( "Reggie is 3 years less than 4 times his daughter.\r \n" ); document.write( "\n" ); document.write( "R = 4D - 3\r \n" ); document.write( "\n" ); document.write( "We know Reggie is 69, so we can sub 69 for Reggie's age.\r \n" ); document.write( "\n" ); document.write( "69 = 4D - 3 \n" ); document.write( "Now solve for D. Start by adding 3 to each side. \n" ); document.write( "69 + 3 = 4D - 3 + 3 \n" ); document.write( "72 = 4d \n" ); document.write( "Divide both sides by 4. \n" ); document.write( "18 = d\r \n" ); document.write( "\n" ); document.write( "His daughter's age is 18.\r \n" ); document.write( "\n" ); document.write( "Now she can register to vote. \n" ); document.write( " |