SOLUTION: place the digits 3,5,6,8 in the boxes below to get the largest possible product.

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Question 413188: place the digits 3,5,6,8 in the boxes below to get the largest possible product. BOXES BELOW ARE TO EMPTY SQUARES ON TOP X TWO SQUARES UNDER NEATH ON THE BOTTOM.
Found 2 solutions by Edwin McCravy, solver91311:
Answer by Edwin McCravy(20086)   (Show Source): You can put this solution on YOUR website!

The largest product has to be when the largest 
two digits 6 and 8 come first to contribute the
most number of tens possible.  So we just have 
to try these two possibilities:

  63         65
 ×85        ×83 
 315        195 
5040       5200 
5355       5395

and we see that the one on the right is the larger product.

Edwin
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


It is either going to be 85 times 63 or 83 times 65. Which one gives you the bigger product?

John

My calculator said it, I believe it, that settles it
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