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03-04-2017
Mathematics

contestada

A bag contains 12 green marbles and 9 white marbles. In simplest form, what are the odds in favor of drawing a white marble?

A. 4:7
B. 3:4
C. 1:7
D. 4:3

Respuesta :

Joshuaj Joshuaj

03-04-2017

Well if you take the two numbers and divide them, 9/12 you get 3/4 i would probably say B. 3:4

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wormynut wormynut

03-04-2017

Total number of marbles: 12+9 = 21
Possibility of withdrwaing a white marble = 9/21 = 3/7 = 3:7

Answer Link

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