If 3/4 of the class likes soda and 3/5 of those who like soda prefer Coke, what PERCENT of the whole class that likes Coke?

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Question:

If 3/4 of the class likes soda and 3/5 of those who like soda prefer Coke, what PERCENT of the whole class that likes Coke?

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Answer:For soda =3/4For coke= 3/5 X 3/4=9/20Whole class is 1....Therefore X% of 1 =9/20Solving :X/100 X 1 =9/20X/100=9/2020X =900X= 900/20 = 45%

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