If the rate of inflation averages r per annum over n years, the amount A that $P will purchase after n years is AequalsP(1minusr)Superscript n, where r is expressed as a decimal. If the average inflation rate is 4.8%, how long is it until the purchasing power is cut in half?

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

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