Answer:1
4
Step-by-step explanation:
The answer is: 
The explanation is shown below:
1. You have the following expression given in the exercise above:

2. By applying the distributive property, you obtain:

3. Now, you must factor

in the numerator and

in the denominator:
4. Simplify:
After four weeks, they both have the same amount of money. Larissa’s amount of money is constantly decreasing and Chuco’s is constantly increasing. At the four week mark on the graph, their two line intersect, representing that at that point they had the same amount of money.
Answer: x=7
first, collect like terms:
5x-13=22
next move the constant to the right-hand side and change its sign:
5x=22+13
then add:
5x=35
lastly divide both sides of the equation by 5:
and you get.... x=7
hope this helps!! :))