Try to Solve

in #question6 years ago

Boxes A, B and C contain 480 oranges altogether. 1/3 of the oranges in Box A were put into Box B. Then 1/5 of the Oranges in Box B were put into Box C. Finally, 1/6 of the oranges in Box C were put into Box A. There was an equal number of oranges in box at the end. How many oranges did each box contain at first.

Very interesting question

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yeah its really an interesting one. I think I can solve.
At the end each box has 160 oranges so before we move 1/6 oranges from box C to box A so there must be (128,160,192) oranges in each box. So when we moved 1/5 of the oranges from box B to box C we must have had (128,200,152) oranges in the boxes. and when we moved 1/3 from A to B we must have had (192,136,152) oranges in each box.
Am I right?

Here is the work in order:

Configuration after third move: A=160, B=160, C=160
A+C = 320 and A + 1/6C = 160 and solve for "A" we get 128.
C = 320-128 = 192

Configuration after second move: A=128, B=160, C=192
B+C = 352 and C + 1/5B = 192 and solve for "B" we get 200.
C = 352 - 200 = 152

Configuration after first move: A=128, B=200, C=152
A+B = 328 and 1/3A + B = 200 and solve for "B" we get 136.
A = 328 - 136 = 192

At the beginning we have: A=192, B=136, C=152

Thanks!

Great thinking and you also showed your work.

Nice post
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