Question

find the age of A and B are in the ratio 9:4. seven years have the ratio of their age will the 5:3 find their ages​

Answer 1

Answer:

A=x+9

B=X+4

After seven years

9x+7/4x+7 = 5/3

3(9x+7) = 5(4x+7)

27x+21 = 20x+35

27x-20x = 35-21

7x = 14

x = 14/7

x = 2

A's age = 9x = 9*2 = 18  years

B's age = 4x = 4*2 = 8  years

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