Answer:
d I just took the test
omg you need 20 characters
Hey mate hope its help you...
The question is incomplete..a , b are two different variables and such can't be solved with only one given interlinked condition.
Answer: ![\$10,\ \$5](https://tex.z-dn.net/?f=%5C%2410%2C%5C%20%5C%245)
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.
![\Rightarrow 2\times 5=\$10](https://tex.z-dn.net/?f=%5CRightarrow%202%5Ctimes%205%3D%5C%2410)
(b)Given
With $20, Christie sells 100 cups of lemonade with a quarter per cup charge
For 100 cup, she generate a revenue of
![\Rightarrow \dfrac{1}{4}\times 100\\\\\Rightarrow \$25](https://tex.z-dn.net/?f=%5CRightarrow%20%5Cdfrac%7B1%7D%7B4%7D%5Ctimes%20100%5C%5C%5C%5C%5CRightarrow%20%5C%2425)
So, she earns
that is , her profit is ![\$5](https://tex.z-dn.net/?f=%5C%245)
Answer:
5/8, 3/4, 7/8 this is the correct answer, just think of a ruler or measuring tape, hope this helps.
Step-by-step explanation: