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Marble is mainly CaCO3 so its one mole is equal to 100 g.

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16y ago

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there are 3 blue marbles 7 green marbles 5 swirled marbles in a circle what fraction of the marbles are blue?

The fraction is 3/15.


What makes Marbles so much fun?

Playing marbles is so much fun when you accumulate many marbles. There is little, or no fun, when you lose your marbles!


The ratio of white to red marbles in a bag is 3 to 4.Which is trueFor every 3 white marbles, there are 7 red marbles. There could be 6 white marbles and 12 red marbles. There could be 12 white marbles and 16 red marbles?

There could be 12 white marbles and 16 red marbles


2 out of 3 of John's marbles is equal to 3 out of 5 of Max's marblesThey have 266 marbles altogether How many marbles does John have?

2 out of 3 times 3 out of 5


Jerry has a total of 23 marbles The marbles are either blue or green He has three more blue marbles than green marbles How many green marbles?

Let X = the number of green marbles. X+3 = the number of blue marbles. X + (X+3) = 23 2X + 3 = 23 2X = 20 X = 10 or the number of green marbles.


Jerry has a total of 23 marbles the marbles are either blue or green he has three more blue marbles than green marbles how many green marbles does he have?

a+b=23 b=a+3 a+b a+(a+3)=23 a+a=23-3 2a=20 a=10 green marbles=10 blue marbles =23-10 =13


John has 22 marbles. He has twice as many red marbles as green marbles. The rest of his marbles are yellow. How many yellow marbles does John have?

He has a number of yellow marbles that leaves a reminder of 2 when divided by 3 and is a number smaller than 22. That is the number of yellow marbles = 2(mod 3).


What is the number of each colour of marbles in a bag of 76 marbles if the ratio of red marbles to green marbles is 2 to 3 and the ratio of green marbles to blue marbles is 9 to 4?

The ratios are: red : green = 2 : 3 = (2×3) : (3×3) = 6 : 9 green : blue = 9 : 4 → ratio of red : green : blue = 6 : 9 : 4 There are 6 + 9 + 4 = 19 parts 76 marbles ÷ 19 parts = 4 marbles per part → red: 6 parts = 6 × 4 marbles per part = 24 red marbles → green: 9 parts = 9 × 4 marbles per part = 36 green marbles → blue: 4 parts = 4 × 4 marbles per part = 16 blue marbles To check: red + green + blue = 24 marbles + 36 marbles + 16 marbles = 76 marbles in the bag.


A sack contains red and blue marbles The ratio of red marbles to blue marbles is 4 to 3 If there are 16 red marbles in the sack how many blue marbles are in the sack?

12 blue marbles


A sack contains red and blue marbles The ratio of red marbles to blue marbles is 4 3 If there are 16 red marbles in the sack how many blue marbles are in the sack?

12 blue marbles


A sack contains red and blue marbles the ratio of red marbles to blue marbles is 4 3 if there are 18 blue marbles in the sack how many red marbles are in the sack?

24 red marbles


Ken and Aziz have some marbles Altogether they have 19 marbles Aziz has 3 more than Ken How many marbles do each of them have?

Find what is common so 19-3 = 16 and 16/2 = 8 therefor Ken has 8 marbles and Aziz has 8+3 =11 marbles