Answer: <u>C. 20-.40p</u>
Step-by-step explanation:
We know that from the given information that each pound is worth 40 cents, and that its being subtracted from the twenty dollar bill.
"Why are the others choices wrong?"
A. p-20, isn't the proper equation due to the stated information.
B. B. 20 -40p, this equation has Zelma pay $40 dollars each pound, which isn't correct due to what the text has stated ("for 40 cents per pound").
D. 40p-20, from the given text, this equation is wrong ("She pays the clerk with a twenty-dollar bill), it never states that she will be charged twenty dollars, or be given forty for each pound.
Another person who asked the same question:
brainly.com/question/9419974
The answer is -25 i just took the test/quiz
Answer: 0.2643
Step-by-step explanation:
Let p be the population proportion and
be the sample proportion .
As per given question , we have

z-score : 

The required probability ( using z-table ):-

Hence, the probability that the proportion of books checked out in a sample of 478 books would be less than 13% = 0.2643
Answer:
The answer is 85
Step-by-step explanation:
just add 35+50
Answer:
402 cubic squared
Step-by-step explanation:
so you have a triangle and rectangle shapes so find area of each on and add them
10 x 28 = length times with = 280
28-12 = 16 and 24 - 10 = 14
14 x 16 x 1/2 = base times hight times 1/2 = 122
122 + 280 = 402