Jack and jim sign up with an online music store. jack chooses 15 downloads for $19.75, and jim chooses 40 downloads for $43.50. both amounts include a one-time registration fee, which is the same for each account, plus the fee for the number of downloads. what is the registration fee, and what is the cost of each download?

a. the registration fee is $5.50, and the cost per download is $0.95.

b. the registration fee is $3.50, and the cost per download is $1.00.

c. the registration fee is $2.50, and the cost per download is $0.85.

d. the registration fee is $4.75, and the cost per download is $1.00.

Thus, the correct answer is option A

Explanation-

Let the cost of each n load be "x" while the one time registration fee be "y"

Jack chooses downloads and the total expenditure of him including tex]15\\[/tex] downloads and one time registration fee "y" is $

This can be represented as

Expenditure by Jack

...................Eq (A)

Similarly , Jim  chooses downloads and the total expenditure of him including tex]40\\[/tex] downloads and one time registration fee "y" is $ .

This can be represented as

Expenditure by Jim

...................Eq (B)

From equation A  we get

Substituting this values of y in equation (B) ,we get

Substituting this value of x in equation A, we get

Thus, the correct answer is option A

it would be the percentage of food eaten by the flock

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