Question

Section-
35. The age or a boy is double the age of his brother. After 4 years product of their
ages will be 160. Find their present ages.
​

Answer 1

Answer:

Brother = 6 years

Boy=12 years

Step-by-step explanation:

Brother-x years

Boy - 2x years

After 4 years

Brother-x +4

Boy - 2x + 4

According to the question

(2x+4)(x+4)=160

2x^2+12x + 16-160=0

2x^2+12X-144=0

x^2+6x-72=0

(x+12) (x-6)=0

:.x = 6