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Ghella [55]
3 years ago
10

A bag contains 12 red marbles, 5 yellow marbles, and 15 green marbles. How many additional red marbles must be added to the 32 m

arbles already in the bag so that the probability of randomly drawing a red marble is ?
Mathematics
1 answer:
velikii [3]3 years ago
7 0

Answer:

18 red marbles.

Step-by-step explanation:

The complete question asks the probability of randomly drawing a red marble is 3/5?

Let x be the number of red marbles that must be added.

To find x we will do the following:

\frac{x+12}{x+32} =\frac{3}{5}

=>5(x+12)=3(x+32)

=> 5x+60=3x+96

=> 2x=36

This gives x = 18

Hence, 18 red marbles will be added to the bag.

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