caitlinwilkerson26 caitlinwilkerson26

11-12-2020
Mathematics

contestada

hector's bag contains three kinds of marbles. he is 2 times more likely to randomly select a white marble than a striped marble. he is equally likely to select a white marble as a dotted marble. of the original bag of 10 marbles is tripled, keeping the ratios of striped, dotted, and white marbles the same, how many of each type of marble are in the bag?

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cjchang cjchang

11-12-2020

Answer: 12 white, 12 dotted and 6 striped

Step-by-step explanation:

There are 10 marbles. There are twice as many white marbles than striped marbles, and there are the same amount of white marbles and dotted marbles.

Trial and error concludes that there are 4 white marbles, 4 dotted marbles and 2 striped. Then, you have to triple them (multiply by 3)

4x3=12

4x3=12

2x3=6

12 white, 12 dotted and 6 striped

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