2 years. Because 5000 x 12/100 x 2/12 = x
Answer:

Step-by-step explanation:
We want to simplify the algebraic expression:

We can rewrite this as:

We convert to equivalent fractions to get::

We can now add the numerators and keep one of the denominators.

We rewrite as:

60=4x+24
-24. -24
36=4x
36÷4
x= 9
she needs babysit 9 more hours to have enough for the bool series
1st blank: XY
2nd blank:RS
3rd blank: XZ