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Bunuel
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Bunuel
A deck of cards is 1.5 centimeters thick. If each of the cards is 0.03 centimeters thick, how many cards are in the deck?

(A) 45

(B) 50

(C) 450

(D) 500

(E) 1500

We need to determine the number of times 0.03 cm (the thickness of ONE card) divides into 1.5 cm (the thickness of the entire deck)
In other words, we must evaluate 1.5/0.03

IMPORTANT: Rather than perform long division with decimals (yuck!!), we can take 1.5/0.03 and create an equivalent fraction

Take 1.5/0.03 and multiply numerator and denominator by 100 to get: 150/3
At this point, it's easy to see that 150/3 evaluates to 50

So, 1.5/0.03 = 150/3 = 50

Answer: B

Cheers,
Brent
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Hello from the GMAT Club BumpBot!

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