# Math

Ken had a number of colored marbles in a bag. 1/4 of the marbles were red, 2/3 of the remaining marbles were blue, and the rest were yellow. Given that there were 120 red and yellow marbles altogether, how many marbles were there in the bag?

1. 👍
2. 👎
3. 👁
1. red = .25
blue = 2/3 * .75 = .5
yellow = .25

I think you can take it from there

1. 👍
2. 👎

## Similar Questions

1. ### Math

A bag contains: 5 red marbles 6 blue marbles 3 green marbles 4 black marbles 2 yellow marbles A marble will be drawn from the bag and replaced 100 times. What is the reasonable prediction for the number of times a green or black

2. ### Probability

jeff has 8 red marbles, 6 blue marbles, and 4 green marbles that are the same size and shape. he puts the marbles into a bag, mixes the marbles, and randomly picks one marble. what is the probability that the marble will be blue?

3. ### Math

A bag contains 9 red marbles, 8 white marbles, and 6 blue marbles. You draw 4 marbles out at random, without replacement. What is the probability that all the marbles are red? 1 The probability that all the marbles are red is...?

4. ### math

A bag contains 5 red marbles, 6 white marbles, and 8 blue marbles. You draw 5 marbles out at random, without replacement. What is the probability that all the marbles are red? The probability that all the marbles are red is? What

1. ### math

A bag contains 8 red marbles, 5 blue marbles, 8 yellow marbles, and 6 green marbles. What is the probability of choosing a red marble if a single choice is made from the bag? is it 8/27 ?

2. ### Math-Algebra 1

You have a bag which contains only red and green marbles. In this bag with x^2+5 marbles total, x+1 are red. Also, x-3 marbles have a scratch on them. The probability of drawing a red marble from the original bag is equal to that

3. ### statistics

A bag contains 7 red marbles, 6 white marbles, and 10 blue marbles. You draw 4 marbles out at random, without replacement. What is the probability that all the marbles are red? What is the probability that exactly two of the

4. ### Math

In a bag of marbles, 3/5 of them are blue and the rest are red. If the number of red marbles is doubled and the number of blue marbles stays the same, what fraction of the marbles will be red?

1. ### Math

There are 14 blue marbles 8 red marbles and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? 1: 24:8**** 2: 34:8 3: 8:34 4: 8:24 Can someone check my answers?

2. ### Math ~ Check Answers ~

1. There are 35 marbles in a bag: 9 blue marbles, 8 green marbles, 4 red marbles, 8 white marbles, and 6 yellow marbles. Find P (red). Write the probability as a fraction in simplest form, a decimal, and a percent. a.) 4/31,

3. ### math

A bag contains 100 marbles, some red and some purple. Suppose a student, without looking, chooses a marble out of the bag, records the color, and then places that marble back in the bag. The student has recorded 9 red marbles and

4. ### Math

A bag contains 3 red marbles, 5 yellow marbles and 6 orange marbles. Three marbles are drawn and NOT replaced each time. Determine the probability of drawing three yellow marbles in a row. State whether the events are dependent or