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The probability of getting a white marble from a bag is 1/5. If there are 37 white marbles in the bag, what is the total number of marbles in the bag?

The probability of getting a white marble from a bag is 1/5. If there are 37 white marbles in the bag, what is the total number of marbles in the bag?
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The probability of getting a white marble from a bag is 1/5. If there are 37 white marbles in the bag, what is the total number of marbles in the bag?

User Legogo
by
8.5k points

2 Answers

1 vote
185 marbles

1/5 = 37/x

Cross multiply
User Joshwilsonvu
by
8.2k points
6 votes
1/5=37/x
1*x=5*37
x=185
There are 185 marbles in the bag.
User InnisBrendan
by
7.4k points
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