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Profit across a batch

Mental mathMedium

A strategy earns exactly per trade and makes trades in a session. What is the total earned?

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A whole number, a decimal, a fraction like 3/8 or a percent.

Hint

Split into factors that are easy to chain.

Solution
  1. Split .
  2. First , by doubling to and doubling again.
  3. Then , since .
  4. The total earned is .

Answer: