document.write( "Question 953953: In ten years Mark will be 8 times as old as he was four years ago. Find his present age \n" ); document.write( "
Algebra.Com's Answer #582588 by macston(5194)![]() ![]() You can put this solution on YOUR website! In ten years Mark will be 8 times as old as he was four years ago. Find his present age \n" ); document.write( "M=Mark's age \n" ); document.write( "M+10=8(M-4) \n" ); document.write( "M+10=8M-32 Add -M+32 to each side. \n" ); document.write( "42=7M Divide each side by 7. \n" ); document.write( "6=M ANSWER: Mark is 6 years old. \n" ); document.write( " \n" ); document.write( " |