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OpenStudy (anonymous):
How many ways are there to walk from A to B by only moving rightward or upward? http://assets.openstudy.com/updates/attachments/5203f2a8e4b010d6e9b32832-wgary-1375990451534-1734d7d40f3c6d82ac0f4bd5cffb0d457b7eec2f.png
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OpenStudy (anonymous):
OpenStudy (anonymous):
Is it 5c2 + 7c3 or 5c2*7c3?
OpenStudy (kinggeorge):
The second one. You would multiply since the two different choices are completely independent.
OpenStudy (anonymous):
So if my calculations are correct, that is 10*35 = 350?
OpenStudy (kinggeorge):
Correct.
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OpenStudy (anonymous):
Thanks
OpenStudy (kinggeorge):
No problem.
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