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OpenStudy (cherry17ann):
Six friends are at the school carnival. They all want to go on the same ride, but only three people can go on the ride at one time. How many different combinations of three riders are possible? A. 20 B. 18 C. 9 D. 40
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OpenStudy (barrelracer011):
Well you have to do 6 times 3 and you get what?
OpenStudy (barrelracer011):
@cherry17ann
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