promcafee1138 promcafee1138

28-09-2017
Mathematics

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En is 80 years old and her grandson mark is 5 years old. in how many years will jen be 4 times older than mark?

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Miadc19023 Miadc19023

29-09-2017

It would be 20 years because if En is 100 Mark will be 25. 25 times 4 is equal to 100

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