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A)

The formula for direct variation is written as Y = KX, where k is the direct variation you need to solve for.

Y is the total amount raised and X would be the number of attendees:

100 = K5

Divide both sides by 5:

K = 100/5

K = 20

B. The constant of variation is  K  which is 20

C) Using the formula from A: y = kx, replace k with 20 and x with 60 and solve for y:

y = 20 * 60

y = 1200

The total is: $1,200

2. A relationship is proportional when the ratio is a constant number.The relationship is non proportional when the ratio varies between the different values.

4.

step-by-step explanation:

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