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18-10-2020
Mathematics

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Mark was thinking of a number Mark added 11 to it then doubles it and gets a answer of 40.5

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Аноним Аноним

18-10-2020

Answer:

9.25

Step-by-step explanation:

Mark doubled the number so we can divide 40.5 by 2 which is 20.25

Then we can subtract 11 from 20.25 because Mark added 11 to the number.

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