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serg [7]
3 years ago
13

Alex has six candy bars he wants to cut into fifths. How many 1/5 size pieces will he have

Mathematics
1 answer:
Alex3 years ago
6 0

Answer:

30 pieces.

Step-by-step explanation:

According to the word problem, Alex wants to cut all six of his candy bars into fifths.

5/5 = one whole candy bar.

If there will 5 pieces for every candy bar, we can multiply 5 by 6.

5 x 6 = 30.

There will be 30 of the 1/5 size pieces.

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Step-by-step explanation:

We have to prove both implications of the affirmation.

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Let's suppose that A ∩ C ⊄ B ∪ D. That means that there is an element x that belongs to A ∩ C but not to B ∪ D.

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2) Let's assume that A ∩ C ⊆ B ∪ D, we have to prove that A \ B and C \ D are disjoint (i.e.  A \ B ∩ C \ D is empty)

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That proves that A \ B ∩ C \ D is empty, i.e. A \ B and C \ D are disjoint.

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