Question

Total girls = 18 and percentange of girls = 60% buy unitary method we do 100÷60×10 but I cant understand why we divide 100 by 60 and not divide 60 by 100 ?????

Answer 1

You would divide 100 by 60 because 100 is the higher number and then multiply the answer by 10. 

Answer 2

I get what u want to say
another method is 60÷100×x=18
and by this way calculate x=30
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