Question

The ratio of ages of raj and sammer is 3:4 after 4 years the ratio will be of their ages is 4:5 find their ages

Topic linear equation in one variable

Answer 1

Let the age of RAJ is x and current age of Sammar is y

x/y = 3/4

4*x = 3*y Equation 1

also

(x+4)/(y+4) = 4/5

5*x + 20 = 4*y + 16

put value of Equation 1 in above Equation

y = 16 years

x =12 years