2 years ago

23.

Mathematics

1 answer:

olganol [36]2 years ago

6 0

72 boys.

Step-by-step explanation:

no. of boys (initial) : no. of girls : no. of boys (final)

3 : 2

______________________________________

9 : 6 : 4

9u - 4u = 5u = 30

5u = 30

1u = 30/5 = 8

9u (initial no. of boys) = 8×9

= 72

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