Question

A bag contains 8 yellow marbles, 16 red marbles, 3 blue marbles, and 3 black marbles. What is the probability of drawing a black marble out of the bag?

A. 3/10


B.1/3


C.1/4


D.1/10

Answer 1

Add up all the marbles, and find the fraction that displays how many of them are black

Answer 2

can you show me an example

Answer 3

i know there are 26 marbles

Answer 4

Take it one step at a time. Add up all the marbles, what do you get?

Answer 5

Okay, 26 marbles, how many are black?

Answer 6

8

Answer 7

Oh nvm, there are 30 marbles

Answer 8

So out of 30 marbles, how many are black? It's not 8, look again.

Answer 9

my bad you are right added wrong

Answer 10

3

Answer 11

Correct, now put the # of total marbles over the # of black marbles

Answer 12

sorry tierd

Answer 13

3/30

Answer 14

Oh my bad, other way around

Answer 15

Yeah 3/30

Answer 16

Which simplifies to

Answer 17

3/10

Answer 18

No, you mixed up the numbers I think. Divide both top and bottom by the same numbers to simplify

Answer 19

1/3

Answer 20

You divided the top by 3, and the bottom by 10. Check again

Answer 21

If you divide both by 3, you get 1/10

Answer 22

got it i think thanks