chandu95 chandu95

10-08-2018
Mathematics

contestada

How do I do this I am really confused

How do I do this I am really confused class=

Respuesta :

oreocharliechester oreocharliechester

10-08-2018

20 children get x cards each: total number of cards = 20x

21 children get x-2 cards each: total number of cards = 21(x-2)

21(x-2) = 20x

21x - 42 = 20x

x = 42

Total number of cards = 20*42 = 840

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