There were 80 questions on the test.
You have 40/16
simplified by 8 and you have 5:2
so the answer is d. 5:2
-6,6 if it reflects on the left side
Answer:
14.285714285714 %
Step-by-step explanation:
suppose the weekly payment is of x dollars
Then
Previous payment : $(x/40) per hour
New payment : $(x/35) per hour
Then
The percentage increase in the hourly rate of pay is :
![=\frac{\frac{x}{35} -\frac{x}{40} }{\frac{x}{40} } \times100](https://tex.z-dn.net/?f=%3D%5Cfrac%7B%5Cfrac%7Bx%7D%7B35%7D%20-%5Cfrac%7Bx%7D%7B40%7D%20%7D%7B%5Cfrac%7Bx%7D%7B40%7D%20%7D%20%5Ctimes100)
![=\frac{\frac{5x}{1400} }{\frac{x}{40} } \times100](https://tex.z-dn.net/?f=%3D%5Cfrac%7B%5Cfrac%7B5x%7D%7B1400%7D%20%7D%7B%5Cfrac%7Bx%7D%7B40%7D%20%7D%20%20%5Ctimes100)
![=\frac{5x}{1400} \times \frac{40}{x} \times100](https://tex.z-dn.net/?f=%3D%5Cfrac%7B5x%7D%7B1400%7D%20%5Ctimes%20%5Cfrac%7B40%7D%7Bx%7D%20%5Ctimes100)
![=\frac{200}{1400} \times100](https://tex.z-dn.net/?f=%3D%5Cfrac%7B200%7D%7B1400%7D%20%5Ctimes100)
![=\frac{1}{7} \times100](https://tex.z-dn.net/?f=%3D%5Cfrac%7B1%7D%7B7%7D%20%5Ctimes100)
![=14.285714285714](https://tex.z-dn.net/?f=%3D14.285714285714)