312
397
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709 that the answer if summary number by number you going to find it.
Ratio of girls to boys is 3:2....added = 5.....this means that 3/5 of the total students are girls and 2/5 of the total students are boys.
so if there are 50 students...
3/5(50) = 150/5 = 30 girls
2/5(50) = 100/5 = 20 boys
Is there more information
Your answwer is 60ab,hope i helped.