Question

. Catie is 3 years older than her brother. The sum of their ages is no more than 31. Write an inequality that can be used to represent this situation, where x represents Catie's brother's age. Don’t combine like terms.

Answer 1

The answer is 17+x=31

Answer 2

Answer: So, the required inequality that can be used to represent this situation is
`2x+3\leq 31`

Explanation:

Let the age of Catie's brother be 'x'.

Let the age of Catie be 'x+3'.

According to question, the sum of their ages is no more than 31.

So, it becomes,

`x+x+3\leq 31\\\\2x+3\leq 31`

So, the required inequality that can be used to represent this situation is

`2x+3\leq 31`