The answer is either 257,600 or 257,700. I think you need to round up to 127,700.
Answer:
Person A made 108 cupcakes and person B made 60 cupcakes.
Step-by-step explanation:
Person A makes 1 cupcake in 5 minutes.
Say in x minutes A makes :
cupcakes
Person B makes 1 cupcake in 9 minutes.
Say in x minutes B makes :
cupcakes
Total cupcakes prepared by A and B in x minutes = 168



So, cupcakes made by A = 
Cupcakes made by B = 
Person A made 108 cupcakes and person B made 60 cupcakes.
Answer: 8.25
Explanation: You are looking to find something constant or something that stays the same. Something that does stay the same is how much money she earned each hour. So you would do 453.75/55. And then find k, or the constant of proportionality. Which is $8.25. You’re welcome!
Answer:
(1) 0.4207
(2) 0.7799
Step-by-step explanation:
Given,
Mean value,

Standard deviation,

(1) P(X ≥ 17.5) = 1 - P( X ≤ 17.5)




( By using z-score table )
= 0.4207
(2) P(14 ≤ X ≤ 18) = P(X ≤ 18) - P(X ≤ 14)



= 0.9918 - 0.2119
= 0.7799