Answer:
x=32
Step-by-step explanation:
Answer: 
Step-by-step explanation:
(a) Given
Sam charge $5 for each dog for a thirty minute walk
For an hour which is double the thirty minutes, it must be double of the same charge.

(b)Given
With $20, Christie sells 100 cups of lemonade with a quarter per cup charge
For 100 cup, she generate a revenue of

So, she earns
that is , her profit is 
Answer:
You can use the app called solving math or course hero!
Honestly I don’t even know
Answer:
The answer is 0.23
Step-by-step explanation:
Hope this helps.
Pls tell me if Im not correct.