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26-06-2020
Mathematics

contestada

Madhulika thought of a number, doubled it and added 20 to it. On dividing the resulting number by 25, she gets 4. What is the number?

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26-06-2020

Answer:

40

Step-by-step explanation:

To work this out you have to go backwards and do the inverse.

4*25=100

100-20=80

80/2=40

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