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pickupchik [31]
3 years ago
10

There is a bag filled with 3 blue, 4 red and 5 green marbles.

Mathematics
1 answer:
guajiro [1.7K]3 years ago
5 0

Answer:

1 in 3

Step-by-step explanation: I think don't quote me

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Solve the following word problem using any method. Show your work.
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Let's set up two equations:
x+y=20             We know she brought total of 20, some of each so x=small y=big
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substitute into the other equation:    
20 (20-y) + 30y = 450
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So she brought  5 big cases.  Then substitute the value of y into one of the equations.

5+ x = 20 
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So we bought 15 small cases and 5 big cases. 

Hope this helps! Please give me the brainliest answer if you like it! If you have further questions, please leave a comment or add me as a friend!


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