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Answered

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Answer:

a) -4

b) +343

Step-by-step explanation:

a) 10 shares - loss $40

    1 share --- ?

? = 40 / 10 = 4 decrease

b) each week 7 members increase for 49 weeks

so total increase = 7 * 49 = 343

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Answer:

  (a) -4 dollars

  (b) +343 members

Step-by-step explanation:

(a) The change in the value of each share is the total amount of change divided by the number of shares:

  change per share = (total change)/(number of shares)

  change per share = (-40 dollars)/(10 shares) = -4 dollars/share

The change in value for each share was -4 dollars.

__

(b) As with most rate problems, the quantity is the product of rate and time.

  growth = (7 members/week) × (49 weeks) = 7×49 members

  growth = 343 members

The change in the club's size was +343 members.

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