Answer:
After 5 hours
Step-by-step explanation:
LaRhonda charges a 10 dollar fee plus 5 hours will get her 20 dollars.
William will babysit 5 hours for 4 dollars and receive 20 dollars also.
Explanation:
k = number of marbles Kasie has
Since Mason has 6 more than her, this means he has k+6 marbles. Whatever k is, add 6 to it to get Mason's count.
For example, if Kasie has k = 5 marbles then Mason has k+6 = 5+6 = 11 marbles.
decreased 11.7647 percent