Question 499724
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No, it's not a number of pounds, it's a fraction of a box.
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Katherine has eaten {{{5/8}}} of a box of candy.  
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Therefore what's left after that is 

1 box - {{{5/8}}} of a box = {{{8/8}}} of a box - {{{5/8}}} of a box = {{{3/8}}} of a box.

she gives Mary 1/2 of the remainder

So half of {{{3/8}}} is {{{expr(3/8)expr(1/2)}}} or {{{3/16}}} of a box.
That's how much she gives Mary and that's also how much she has left.

Edwin</pre>