Question

2) Jamie has twice as much money as Kristen. Together they have $36. How much money does each have?

Answer 1

jamie has 24 and kristen is 12

Explanation:

jamie is twice kristan which is 12+12

then 12 puls 24 is 36

Answer 2

For this case we have to:

Let x be the variable that represents the amount of money Jamie has.

Let y the variable that represents the amount of money that Kristen has

We have to:

`x = 2y\\x + y = 36`

We substitute the first equation in the second:

`2y + y = 36\\3y = 36\\y = \frac {36} {3}\\y = 12`

Looking for the value of x:

`x = 2y\\x = 2 (12)\\x = 24`

Answer:

So, Jaime has $ 24 and Kristen has $ 12.