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Mathematics 9 Online
OpenStudy (anonymous):

help plzzzzzzzzz

OpenStudy (anonymous):

Ey bubbles

OpenStudy (anonymous):

Vocaloid (vocaloid):

well, he picked 12 cards from the deck. 3 were baseball cards and 9 were football cards, which tells us that about 3/12 cards are baseball cards

Vocaloid (vocaloid):

so (3/12) * (total number of cards) = ?

OpenStudy (anonymous):

it is 24 @Vocaloid

Vocaloid (vocaloid):

nope, read the problem carefully... total number of cards = ?

OpenStudy (anonymous):

60

OpenStudy (anonymous):

@Vocaloid

Vocaloid (vocaloid):

right, so... (3/12) * (total number of cards) = ?

OpenStudy (anonymous):

15 right @Vocaloid

Vocaloid (vocaloid):

correct

OpenStudy (anonymous):

thanks

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