In 10 years, A will be twice as old as B was 10 years ago.
In 10 years, A will be twice as old as B was 10 years ago. If A is now 8 years older than B the present age of B is
Answer/Solution
38
Steps/Work
let present age of A be a and B be b
a+10 = 2*(b-10)
=> 2b-a = 30 ......(i)
a = b+8
=>2b-b-8 = 30
b=38
so the present age of b is 38 years
ANSWER:B
a+10 = 2*(b-10)
=> 2b-a = 30 ......(i)
a = b+8
=>2b-b-8 = 30
b=38
so the present age of b is 38 years
ANSWER:B