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|Posté le: Jeu 16 Nov - 13:39 (2017) Sujet du message: How many boys must join the group to make the ratio 5:3
|The question is as follows: "In a group of 48 children, the ratio of boys to girls is 3:5. How many boys must join the group to make the ratio of boys to girls 5:3."
I know the current number of boys to girls is 18:30 and that the number of girls should stay the same. But I don't know how to get the number of boys that have to join, how would you do it without guess and check?
Is it right???
I didn't find the right solution from the Internet.
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