11, a witches broom bought for $17, 850 depreciates in
value every year at a rate of 7%. how much will the
broom be worth in 7 years? note: it is a very high end
turbo powered broom!
model: ?
?

$10470.36

Step-by-step explanation:

A witches broom bought for $17850, depreciates in value every year at a rate of 7%.

So, the value of the broom decreases every year by 7% of its previous year's value.

Therefore, after 7 years  the value of the broom will become ........ (1)

Hence, this equation (1) is the model equation for the value of the broom.

Solving equation (1), we get the value V = $10740.36. (Answer)

answer: 4 (:

step-by-step explanation: