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How do I do this I am really confused

How do I do this I am really confused
asked 37.2k views
2 votes
How do I do this I am really confused

How do I do this I am really confused-example-1
asked
User Robert Lewis
by
7.7k points

1 Answer

4 votes

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

answered
User Walf
by
8.4k points
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