document.write( "Question 757170: Samuel is 2/3 as old as his brother. In five years, he will be 3/4 as old as his brother will be. Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #460681 by sachi(548)![]() ![]() You can put this solution on YOUR website! let samuel's brother is x yrs \n" ); document.write( "then samuel is 2x/3 yrs \n" ); document.write( "after 5 yrs samuel will be 2x/3+5 & his brother will be x+5 \n" ); document.write( "he will be 3/4 as old as his brother will be \n" ); document.write( "so 2x/3+5=3(x+5)/4 \n" ); document.write( "or 8x+60=9x+45 multiplying 12 both sides \n" ); document.write( "or x=15 \n" ); document.write( "so samuel's brother is 15 yrs & samuel 2*15/3=10 yrs \n" ); document.write( " \n" ); document.write( " |