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Mathematics 6 Online
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

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.

OpenStudy (anonymous):

Thanks

OpenStudy (kinggeorge):

No problem.

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