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HELP PLEASE there are 30 students in a class the ratio of girls to boys is 2:3 work out the Number of boys in the class PLEASE EXPLAIN HOW
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HELP PLEASE

there are 30 students in a class
the ratio of girls to boys is 2:3
work out the Number of boys in the class
PLEASE EXPLAIN HOW

User Sandipan Dey
by
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1 Answer

1 vote
So you know there are 30 students. Your ratio is 2:3. You add them together that is five. 30 divided by five is six.

6x2= 12 girls

6x3= 18 boys
18+12= 30
This shows there are 18 boys
User EdgarZeng
by
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