FoundationNumeric answer
Percentages that do not add · Part 1 of 3
A stock you hold moves by the percentages given in each part. Percentage changes compound on the new price, not on the original one.
The stock falls 20% and then rises 20%. What is the net change, in per cent?
Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.
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