I have a bag with only red, blue, and green marbles.  The ratio of red marbles to blue marbles to green marbles is $1:5:3$.  There are 27 green marbles in the bag.  How many marbles are there  in the bag?
Question:
I have a bag with only red, blue, and green marbles.  The ratio of red marbles to blue marbles to green marbles is $1:5:3$.  There are 27 green marbles in the bag.  How many marbles are there  in the bag?
Answer:
Let's think step by step.

user
81
I have a bag with only red, blue, and green marbles.  The ratio of red marbles to blue marbles to green marbles is $1:5:3$.  There are 27 green marbles in the bag.  How many marbles are there  in the bag?
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