# Question #1d344

##### 1 Answer

Jan 4, 2018

Formulate problem and solve it

#### Explanation:

Let

So use equation (2) in (1)

Then

So

Antonio's age is 2

Sarah's age is 10

Jan 4, 2018

Formulate problem and solve it

Let

So use equation (2) in (1)

Then

So

Antonio's age is 2

Sarah's age is 10