Question

Which item is cheaper basketball for $18 and 20% off or a baseball for $30 and 30% off?

Answer 1

#1: The Basketball

So basically, you're going to be doing 20% of $18

So basically you do:

18 * 0.20

which is $3.6

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#2: The Baseball

Same thing as the Basketball.

Do $30 * 0.3

which is $9.
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So seeing as the Basketball is $3.6 and the Baseball is $9

Your Answer:
The Basketball