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
6n would be the amount of money they got from selling the tickets to the students.
Y is directly proportional to x and therefore takes the form y=kx where k is the constant of proportionality.
Dividing both sides by x for the given values, k becomes 18/4 = 4.5
Answer:
<h2>
B:No</h2>
Step-by-step explanation:
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Answer:
0.007x, where x is the percentage of vinegar.
Step-by-step explanation:
x% of the mixture is vinegar, but the value of x is missing!
x% of 0.7 = 0.7x/100 = 0.007x
There are 0.007x liters of vinegar in the container.