Answer :
Answer:
the answer is 21 because
Step-by-step explanation:
28÷4=7
28-7=21
Answer:
21 boys
Step-by-step explanation:
girls:boys
4:3
28:x
girls:
4 became 28 by multiplying 4 by 7
So do the same to boys
Therefore,
when we multiply 3 by 7
=21 boys
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