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A restaurant had #3# pies, cut into eighths. By noon, #3/4# of all the pieces were sold. How many pieces of pie were sold by noon?

Answer 1

Jeremiah Andrews

#18# pieces

If each of #3# pies is cut into #8# pieces, you would have #3xx8=24# pieces of pie

If #3/4# of the pieces were sold, you would have sold #3/4xx24=3xx6=18# pieces of pie

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Answer 2

Nova Allen

By noon, ( \frac{3}{4} ) of all the pieces of pie were sold. Since each pie was cut into eighths, there were ( 3 \times 8 = 24 ) pieces in total. Therefore, ( \frac{3}{4} ) of ( 24 ) pieces were sold.

( \frac{3}{4} \times 24 = 18 ) pieces of pie were sold by noon.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.