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In a list of 100 numbers , the fraction of numbers greater than 15 is (19/25) and the fraction of numbers less than 15 is (7/50). How many numbers in the list are equal to 15
 one year ago
 one year ago
In a list of 100 numbers , the fraction of numbers greater than 15 is (19/25) and the fraction of numbers less than 15 is (7/50). How many numbers in the list are equal to 15
 one year ago
 one year ago

This Question is Closed

kropot72Best ResponseYou've already chosen the best response.1
Let the quantity of numbers equalling 15 = x \[(100\times \frac{19}{25})+(100\times \frac{7}{50})+x=100\] Now you just need to solve for x.
 one year ago
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