Seudónimo Seudónimo

27-02-2017
Mathematics

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There are 12 boys and 15 girls in your class. Four new students, 3 boys and 1 girl,join your class. Compare the ratio of boys to girls before and after the new students enrolled.

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Allie424 Allie424

27-02-2017

What I'm confused do u want us to tell u the before and after ratios or the rate of change?

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texaschic101 texaschic101

28-02-2017

before new students, ratio was : (12/15 reduces to 4/5) so the ratio was 4:5

after new students , ratio is : 15/16....or 15:16

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