Q: Zachary has ninety marbles five-ninths of them are blue how many of the marbles are blue?

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10 Green marbles, 13 Blue marbles.

12 blue marbles

12 blue marbles

He will have 13 blue marbles and 10 green marbles.

at least 39 blue marbles

24 red marbles

9:10

24

12

If there are 20 red marbles and 40 blue marbles, the ratio of red to blue is 1 over 2. The number of white marbles does not matter.

pedaphile

25

Set up the problem as: y=number of yellow marbles & 4y=number of blue marbles. 40=y+4y or 40=5y or y=8. Therefore number of blue marbles is 4*8 = 32.

He has 10 green marbles.

The fraction is 3/15.

20% of 50 marbles is 1 fifth of the marbles in the bag. so 50 marbles divided by 5 =10 blue marbles

6

Use this formula - 100 * red / (blue+red+yellow).

There are 11+10+17+15+3=56 marbles in total. Of those marbles, 11 are blue and 17 are red, so there are 11+17=28 blue and red marbles. Therefore the probability of choosing a blue or red marble is 28/56=.5, or 50%.

it is 6/9 simplifyyou get 2/3.

There is a probability of 3 that it will be blue.

it depends how many blue marbles there are and how many marbles total.

The probability of selecting 4 red marbles or 5 blue marbles depends on how many marbles there are altogether, and how many of the total number of marbles are red and how many are blue.

48 marbles

Sonya has no red blue marbles. All she has are 24 blue, 18 red and 12 green.

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