math

posted by .

There are 40 yellow and blue marbles in a bag. There are 4 times as many blue marbles as yellow marbles.

how many yellow marbles are there?
how many blue marbles are there?

  • math -

    I just did one of these for you, you do this one. Go back and look at it.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Probabilities

    A jar contains 2 red marbles, 3 green marbles, 4 blue marbles, and 5 yellow marbles. Two marbles are drawn in succession, without replacement. The probability that neither is yellow?
  2. statistics

    From a jar of marbles containg 4 blue marbles, 3 yellow marbles, 2 red marbles, and 1 magenta marble, you draw two marbles with replacement. Determine the following probablilites. a. P( red then blue) b. P(yellow and yellow) c. P(red/yellow) …
  3. Math

    a bag contains 3 red marbles, 5 blue marbles, 2 yellow marbles, and 2 lavender marbles. How many sets of 4 marbles includes at most one of the yellow marbles?
  4. probability

    A set of five marbles is selected (without replacement) from a bag that contains 4 blue marbles, 3 green marbles, 6 yellow marbles, and 7 white marbles. How many sets of five marbles contain no more than two yellow ones?
  5. maths

    Mr Tan had a box of marbles. 2/3 of the marbles were blue and the rest were yellow. He gave his son 4/5 of the blue marbles and 3/4 of the yellow marbles. If he had 39 marbles left, how many marbles did he have at first?
  6. Math

    One bag contains 5 red marbles, 4 blue marbles, and 3 yellow marbles, and a second bag contains 4 red marbles, 6 blue marbles, and 5 yellow marbles. If Lydia randomly draws one marble from each bag, what is the probability that they …
  7. Maths

    a bag contains marbles of three different colours, red, blue and yellow. 2/5 of the marbles are red. The ratio of the number of blue marbles to the number of yellow marbles is 5:7. what fraction of the marbles in the bag is blue?
  8. Math

    I am having a problem answering this math problem. Andrea has a box of marbles in it. She has seven red marbles, thirteen blue marbles and nineteen yellow marbles. If she reaches in and takes out marbles without looking, what is the …
  9. Maths

    A bag contains marbles of three different colours red, blue , yellow. 2/5 of the marbles are red. The ratio of the number of blue marbles to the number of yellow marbles is 5:7. What fraction of the marbles in the bag is blue?
  10. Math

    A bag contain marbles of three different colours red blue and yellow 2/5of the marbles are red the ratio of three number of blue marbles to the number of yellow marbles is5:7 what fraction of the marbles in the bag is blue

More Similar Questions