What is the ratio of blue marbles to red marbles?

With our new ratio of 3:4 for blue marbles to red marbles, this means that 4 out of every 7 marbles in the bag are red. So \frac{4}{7} of the marbles are now red….Solutions.

Blue Marbles	Red Marbles	Ratio of Blue to Red Marbles
30	40	30:40
3x	4x	3x:4x

What is the ratio of green marbles?

The ratio of green to yellow marbles is 2/5. That means that there is 2/5 of green marble for each yellow one. The ratio of green to orange is 3/10.

What percentage of the marbles are blue?

Question: Refer to the graph on the right What percentage of the marbles are blue? 8.5 \% (Enter your response as a percent rounded to one decimal place.)

What fraction of the marbles are red or blue?

4/7 should be the answer. Incidentally, the new fraction for blue marbles is 3/7.

What is the ratio of green to red marbles?

The ratio of red marble to green marble is 2:5.

What is the probability of getting a red or blue marble?

The probability of drawing a red or blue marble is 18/35.

How many green marbles are in a bag of 60 marbles?

Since totally there are 60 marbles, The ratio of blue marbles to green ones is 1 : 5. Hence, There are 50 green marbles. Answering the question: A bag contains 60 marbles, some blue and some green. The ratio of blue marbles to green ones is 1 : 5.

What is the probability of all marbles in a box being blue?

Total number of marbles = 10+20+30 = 60 out of which 20 are blue. So probability of all marble being blue when five marbles are drawn from the box = (20/60)* (19/59)* (18/58)* (17/57)* (16/56) = 34/11977 = 0.00283877432 A bag of marbles contains 2 red​ marbles, 1 blue​ marble, and 1 green marble.

How many marbles are in a jar of marbles?

= Total number of ways to select 3 marbles – Total number of ways to select 3 marbles such that no white marble is selected. A Jar contains 8 red marbles, 4 green marbles, 2 blue marbles, and 10 white marbles. What is the probability that a randomly selected marble is not blue?