Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Let the present age of x and y be 3x and 7x.
              According to the question 
   3x+7/ 7x+7= 11/21
⇒21(3x+7)= 11(7x + 7)
⇒63x+147= 77x+77
⇒63x-77x= 77-147
⇒-14x= -70
 Hence, present age of x = 3x= 3*5=15
 and present age of y= 7x= 7*5= 35
2 3 2
frnd request vochinda
i send one question in a competion...........................................
can u answer that
k bye see u later anna
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts