Question

The difference between the ages of two cousins is 10 years. 15 years ago,if the elder one was twice as Old as the younger one, find their present ages ​

Answer 1

Answer:

let the ages of elder and younger cousins be x yrs and y yrs respectively.

according to the question,

x-y=10

and

x-15=2y-15

x-2y=0

on subtracting the two equations we get,

x=20 yrs and y=10 yrs

Step-by-step explanation:

x=20 yrs and y=10 yrs