Question

the ratio of present age of hari and hairi is 5:7. after 4 years then ratio of their age will be 3:4. find the percentage​

Answer 1

Answer:

Hari's present age = 20years

Hairi's present age = 28years

Step-by-step explanation:

let there age would be x

so , according to question 5x + 4 / 7x + 4 = 3/4

i.e., 4(5x+4) = 3(7x+4)

 20x+16 = 21x+12

  x = 4

Hari's present age = 5x = 5*4 = 20years and,

Hairi's present age = 7x = 7*4 = 28 years