Answer:
Frankie will need to babysit for 4.4 time.
Step-by-step explanation:
We are given the following in the question:
Money earned by Frankie each times he babysits = $5
Money saved = $30
Total money Frankie wants to save for a skateboard = $52
Amount of money to be saved =
Total amount of money Frankie wants to save for a skateboard - Money saved already

He needs to save $22 more.
Let x be the number of times Frankie will need to babysit.
Thus, we can write the equation:

Thus, Frankie will need to babysit for 4.4 time.
Answer: $70/week
Step-by-step explanation:
E = 10w
w = 7 (1 time per day for 7 days = 7)
E = 10(7)
E = $70/week