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Mathematics 9 Online
OpenStudy (puertoricangirl):

There are 6 cards with a picture of a rose and 4 cards with a picture of a daisy. Alfa keeps all the cards face down on a table with the pictures hidden and mixes them up. She then turns over one card and finds the picture of a rose on it. She removes this card from the table and turns over another card without looking. What is the probability that the card that Alfa turns over has a rose on it? A. 1 over 6 B. 1 over 3 C. 5 over 10 D. 5 over 9

OpenStudy (puertoricangirl):

@Ashleyisakitty @paki @

OpenStudy (puertoricangirl):

@friendzone

OpenStudy (puertoricangirl):

@agent0smith

OpenStudy (agent0smith):

How many rose cards are left? How many total cards are left? Probability = rose cards divided by total.

OpenStudy (puertoricangirl):

5 roses card are left 10 total so is C

OpenStudy (agent0smith):

5 roses yes. 10 total no.

OpenStudy (puertoricangirl):

A

OpenStudy (agent0smith):

How many rose cards are left? We know there's 5. How many total cards are left?

OpenStudy (puertoricangirl):

5 b/c there r 6 but we subtract 1 = 5

OpenStudy (agent0smith):

Yes we know there's 5 rose cards. How many total cards are left? After taking the one rose card away

OpenStudy (puertoricangirl):

what do u mean ? there r 6 rose cards and 4 daisy cards = 10 in total

OpenStudy (agent0smith):

We know there's 5 rose cards left now that she already took one rose card away. How many total cards are now left?

OpenStudy (puertoricangirl):

omg I'm so dum ...can you tell me plz

OpenStudy (puertoricangirl):

@agent0smith

OpenStudy (agent0smith):

lol there was 10 cards total right? she took away one of the rose ones... leaving how many total?

OpenStudy (puertoricangirl):

omg really I feel stupid right now ... 9

OpenStudy (agent0smith):

Probability = rose cards divided by total.

OpenStudy (puertoricangirl):

5 divided 9 ?

OpenStudy (agent0smith):

\[\Large \checkmark\]

OpenStudy (puertoricangirl):

so it's d ?

OpenStudy (puertoricangirl):

@agent0smith

OpenStudy (agent0smith):

You said 5/9, and I posted a checkmark... :P

OpenStudy (puertoricangirl):

LOL so sry I'm kinda sleepy right now XD ok thank you SO MUCH!

OpenStudy (agent0smith):

haha you're welcome :)

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