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a tree diagram would help with this one

ok

is answer \(\dfrac{169}{1125}\)

i dont how u got that answer im just thinking about the tree @welshfella said

i mean is the answer already given in book

its hard to draw a tree diagram with 3 draws!!! lol

perhaps u can attaches as a image file lol

121168/180

you have made a mistake somewhere

i see

12168/216000

169/3000

26/60 * 26/60 * 18 / 60 = 13/30 * 13/30 * 3/10 = 507 / 9000

= 169/1000 yes

now you need to multiply that by 3 because of the 3 different arrangements of the balls)

169/1000 or 169/3000?

sorry its
|dw:1444498605068:dw|

507/3000

169/3000 was correct for each of th 3 scenarios - now you need to multiply that by 3

507/3000 is correct but that simplifies to 169/1000

mistake sorry 169/1000, forget to cancelled out the 3

yea that is it

that the final answer ?

yes

ok thank you so much for the help

yw