# Red balls

The bag has three red, 12 blue, and eight green balls. How many red balls must we add to the bag if we want the probability of pulling out the red balls to be 20%?

### Correct answer:

Tips for related online calculators

Need help calculating sum, simplifying, or multiplying fractions? Try our fraction calculator.

Our percentage calculator will help you quickly calculate various typical tasks with percentages.

Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

Would you like to compute the count of combinations?

Our percentage calculator will help you quickly calculate various typical tasks with percentages.

Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

Would you like to compute the count of combinations?

#### You need to know the following knowledge to solve this word math problem:

## Related math problems and questions:

- Probability bullets

There are six red, five green, eight blue, 11 yellow balls in the bag. What is the probability that we will pull out the green bullet? - Probability 3835

We have four red, three blue, six yellow, and two black balls in the bag. Find the probability of pulling the blue or red ball. - Probability 7672

There are eight white balls and several blue balls in the pocket. The probability of pulling out the white ball is 2/3. How many blue balls are in your bag? - Three in ratio

1/8 of the balls in a bag are red, 5/8 are blue and the rest is green. Find the ratio of red to blue to green balls. - Busi has

Busi has a bag containing twenty balls. There are twice as many yellow balls than blue balls, but the yellow balls are only a third of the red balls. The green balls are the same number as the blue balls. How many are each of the colour ball? - 20 balls

20 coloured balls in a bag 4 red 7 green 9 yellow What is the probability of picking a yellow ball? - Chamber

In the chamber light is broken and all from it must be taken at random. Socks have four different colors. If you want to be sure of pulling at least two white socks, we have to bring them out 28 from the chamber. In order to have such certainty for the pa - Balls 8358

We have five red, four blue, and seven white balls in the bag. At least how many balls do we have to pull out to have at least one white ball on the table? - Probability 65634

There are seven red balls and 13 blue balls in the pocket. How many blue balls do we need to add to the pocket so that the probability of removing the red ball is 0.2? - Colored balls

There are colored balls in the bag. One third of them are blue, one sixth is green, five twelfths are yellow and the remaining 10 balls are red. How many yellow balls are in the bag? - Probability 29163

There are ten red, six blue, and eight green balls in the hat. What is the probability that a randomly selected ball is blue or red? - Statistics quiz

Fill in the missing word. 1. in a data set, the mean, median and mode are measured of ________________ 2. "The manipulation of variables under controlled conditions"is the data collection method known as______________ 3. in a normal distribution, the area - Red cubes

There are 15 white and several red cubes in the box. The probability of accidentally pulling out a white cube is 20%. How many red cubes are in the box? - The balls

You have 108 red and 180 green balls. You have to be grouped into the bags so that the ratio of red to green in each bag is the same. What may the smallest number of balls be in one bag? - Probability 41211

We have five red and seven white balls in a hat. What is the probability of pulling: a) a red ball? b) a white ball? - Christmas balls

On the Christmas tree we put 21 Christmas balls of two colors. Eight of them were blue. How many Christmas balls was red? - Probability 18073

Determine the probability that three balls, ten red, and ten blue balls, will be drawn from 3 balls of the same color.