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OpenStudy (anonymous):
You have 10 different pencils and 8 different erasers. How many different pairs of pencils and erasers are possible?
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OpenStudy (anonymous):
80?
OpenStudy (anonymous):
you want % ???
OpenStudy (anonymous):
No just how many combinations
OpenStudy (anonymous):
aha ! We can say Repeated ?
OpenStudy (anonymous):
If we can your answer is right ;) 10 * 8 = 80
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OpenStudy (anonymous):
Thanks :)
OpenStudy (anonymous):
I do nothing ;) You had answer ;)
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