Question

medal and fan! i just need to know if i did it right
A large bag of marbles contains red (R) and blue (B) marbles. Marbles are pulled one at a time, recorded, and placed back in the bag. Estimate the percentage of blue marbles in the bag.

R R R B R R R R R R B R R R B

25%
60%
80%
20%

Answer 1

i got 20%

Answer 2

yes u got it right

Answer 3

its wrong

Answer 4

can you explain how to do it ?

Answer 5

ok first of all how many marbles are there in all?

Answer 6

15

Answer 7

how many blue?

Answer 8

3

Answer 9

3/15 yup ur right lol

Answer 10

sowwy

Answer 11

its fine thank you !

Answer 12

\[3/15=0.2=20\]

Answer 13

20%

Answer 14

if there is 15 red and 3 blue calculate it by doing 3\15 which = .2 which = 20 which equals 20%