Problema Solution
Sanjay is now 1/2 as old as his brother.in 6 more years he will be 3/5 as old as his brother then.what is the present age of each boy?
Answer provided by our tutors
Sanjay age,,,b= Brother's age
(1) s = (1/2) b
(2) ( s+6) = (3/5) (b+6)
subst (1) in (2)
.
(1/2) b +6 = (3/5)b + 18/5
6- 18/5 = (3/5 -1/2) b
2.4 = .1 b
24 = b,,,,,,s= 1/2 b = 1/2 *24 = 12
check
(1) 12 = 1/2 * 24 ,ok
)2) 12 +6 = (3/5) ( 24 + 6 )
.
18 = 3/5 *30 =18 ok