nhard2222 nhard2222

14-09-2016
Mathematics

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a box contains a combination of solid colored tickets; 1/10 of the tickets are green, 1/2 are red, 1/4 are blue and the remaining 30 tickets are white. How many blue tickets are in the box

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nobillionaireNobley nobillionaireNobley

16-09-2016

Let the number of tickets be x, then
White tickets = (1 - 1/10 - 1/2 - 1/4)x = 30
3/20 x = 30
x = 30 x 20 / 3 = 200

Blue tickets = 1/4 x 200 = 50

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