anonymous
  • anonymous
Jamie has a deck of 60 sports cards, of which some are baseball cards and some are football cards. Jamie pulls out a card randomly from the deck, records its type, and replaces it in the deck. Jamie has already recorded six baseball cards and nine football cards. Based on these data, what is, most likely, the number of baseball cards in the deck?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
24?
anonymous
  • anonymous
@mathmath333
mathmath333
  • mathmath333
sry this looks higher level probablity than me

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anonymous
  • anonymous
ok
anonymous
  • anonymous
@niels5x9 can you help
mathmath333
  • mathmath333
6x+9y=60 where x = bascket ball cards and y = football cards
mathmath333
  • mathmath333
so i think it simplifies to \(2x+3y=20\) we have to check this number for x and y \(\begin{align}\{x,y\}=\{1,1\}\\ \{2,2\}\\ \{3,3\}\\ \{4,4\}\end{align} \)
anonymous
  • anonymous
substitute x and y?
mathmath333
  • mathmath333
we see that \( \{4,4\}\) satisfies hence \(4\times 6=24\) basket ball cards, your answer is correct
anonymous
  • anonymous
@mathmath333 thanks

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