Question

i)the ages of John and David are in the ratio 5:7. Four years later the sum of their ages will be 47 years . Find their present ages.​

Answer 1

Answer:

20 years and 27 years respectively

Step-by-step explanation:

5 + 7= 12

47/12 = 3.91 =

3.91 * 5= 19.55 or 20 years

3.91 * 7= 27.37 or 27 years

Answer 2

Answer:

Hii,

Step-by-step explanation:

Let the age of John be 5x and

Let the age of David be 7x

4 years later,

John's age will be 5x+4

David's age will be 7x+4

5x+4+7x+4= 47

12x+8=47

12x=39

x=39/12

=3.25

John's age= 16.25

David's age= 22.75

Hope this helps you..