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How to calculate number required to achieve a target percentage

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How to calculate number required to achieve a target percentage

11,065 views October 25, 2018 2:10

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ChannelCowan Academy

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How to calculate the number required to achieve a target percentage when the total also changes.

This is an elementary related rates problem where the numerator and denominator of the target percent simultaneously changes as you accumulate more points, wins etc.

Therefore it is required that we set up an algebraic equation to accommodate the two terms changing at the same time as we get more points. In this example we cover the scenario of wins on total games equals some target percentage.

It becomes evident that we cannot simply find the percent of total games required to reach our target percentage and call it a day. This is because as we play more games to accumulate more wins, the total games also changes at the same rate.

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Music by Adrian von Ziegler

About this tutorial

Cowan Academy published this 2:10 video tutorial on October 25, 2018. It has been watched 11,065 times on YouTube.

Category
Education
Duration
2:10
Published
October 25, 2018
Views
11,065
Likes
32

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