# Larry is 2 years younger than Mary. The difference between the squares of their ages is 28. How old is each?

##### 2 Answers

Mary is

#### Explanation:

Let

We are told:

[equation 1]

and

[equation 2]

Substituting

Substituting

#### Explanation:

Let the age of

Age of

Given that the difference between the squares of their ages is 28

So,

Use the formula

We know now that the Age of

So, Age of