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Mathematics 11 Online
OpenStudy (anonymous):

Box A contains 3 cards, numbered 3,4 and 5. Box B contains 3 cards, numbered 6, 7, and 8. If one card is drawn from each box and their sum is calculated, how many different sums are possible?

OpenStudy (amistre64):

3 + {6,7,8} 4 + {6,7,8} 5 + {6,7,8} is 9 sums total, but how many are duplicates?

OpenStudy (amistre64):

9 10 11 10 11 12 11 12 13 -------------- 9 10 11 12 13

OpenStudy (anonymous):

So it's five right?

OpenStudy (amistre64):

thats all i count, yes

OpenStudy (anonymous):

Thank you very much.

OpenStudy (amistre64):

youre welcome

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