The ratio of boys to girls is 1:2. Two boys and two girls enter the room and the ratio is now 5:9. How many boys and girls were there originally?

asked Aug 12, 2022 228k views

8 votes

The ratio of boys to girls is 1:2.

Two boys and two girls enter the
room and the ratio is now 5:9.
How many boys and girls were
there originally?

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10 votes

Answer:let the original number of boys be x

x:2x=1:2

x+2:2x+2=5:9

9x+18=10x+10

x=8

2x=16

Explanation:

YourAboutMeIsBlank answered Aug 19, 2022

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