if 32 girl are in a class and ratio of girl and boy is 16 : 9 find the percentage of the girls in class
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ANSWER:
64%
EXPLANATION:
girls = 32
girls : boys = 16:9
girls = 16x
boys = 9x
16x= 32
x = 2
boys = 9*2 = 18
Total = 32+18 = 50
percent = 32/50*100
= 32*2%
= 64%
THEREFORE, 64% OF THE CLASS IS GIRLS
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