Tyler is 4 years older than tiffany in ten years he will be twicse as old a tifinay.

For this case we have to:

x: Variable that represents Tyler's age

y: Variable that represents Tiffany's age

According to the data of the statement we can propose the following equations:

To solve we substitute the first equation in the second equation:

So, Tiffany is 14 years old.

Then Tyler has:

Tyler is 18 years old.

Tyler: 18 years old

Tiffany: 14 years old

6e14 is the answer.

the answer is $42.96

step-by-step explanation: