Question

Patrick is x years old . His brother is 9 years older than he is .If his brother is y years old, express y in terms of x

Answer 1

y = x + 9 ( in years)

Explanation:

Given that Patrick is x years old and his brother is 9 years older than he is. Then;

His brother's age will be

= x + 9

If his brother is y years old then

y = x + 9

Since y is the subject, y has been expressed in terms of x. Where y is the age of Patrick's brother and x is Patrick's age.