the ages of a and b are in the ratio 5:7 . four years from now the ratio of their ages will be 3:4. the present age of b is
Answers
Answered by
3
Let their ages be 5x and 7x resp
4yrs from now
5x+4/7x+4=3/4
Cross multiply
U get x=4
Present age of b=7×4=28yrs
4yrs from now
5x+4/7x+4=3/4
Cross multiply
U get x=4
Present age of b=7×4=28yrs
Similar questions
Science,
7 months ago
Hindi,
7 months ago
Social Sciences,
1 year ago
Science,
1 year ago
Math,
1 year ago