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3 years ago

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A bag contains 45 marbles of various colors. Jon draws 60 times, each time replacing the marble before drawing again. He gets a

total of 12 blue marbles. Which is best prediction of how many blue marbles are in the bag? Please explain.

1 answer:

iren2701 [21]3 years ago

6 0

Can u post the whole picture and question

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emmainna [20.7K]

Answer: 6

Step-byStep:

[(18- 8) x 3) + (4+3) x 6] divided by 12

step 1- start with the stuff in the parentheses

[(10 x 3) + (7 x 6)] divided by 12

step 2- simplify things in parentheses

[30 + 42] divided by 12

step 3- simplify even more

[72] divided by 12

step 4- remove brackets, and simply even further

72 divided by 12 = 6

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