venn diagram help

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is this correct??

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where did u get 44 from?

oh nvm i see

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is it wrong???

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it seems alright

im not too sure abt the 67 since it only says that they didnt swim every week

should be fine tbh

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but it says that only 15 cycled regularly

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yeah i think its right

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wait

can u help me with something else

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sure

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what would B be???

would it be out of 12 or 10??

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12

should be 1 in 12

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look

are these wrong then

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,rotate

uh

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surely it should all be out of 10

since theres 10 cards

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but if u want to look at the numbers that are just more than 5 and a multiple of 3 it would be out of 6

i think

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nah but it says there are 10 cards and one is picked at random

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what about this question

it would be out of 10 right

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,rotate

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is that from the same questions

question*

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cause it's from the total of prime and non prime

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yes

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so does it say the deck has 10 cards

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no 12

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then it should be 12 throughout regardless

because you cant lose any cards

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ok

im not so sure

i was told in specific questions the total changes

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ima check if im even right

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alright

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https://www.nagwa.com/en/explainers/403141497934/

if u read through the first example u can see that the number of students remain the same at the end

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K

so like this?

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yeah that all seems correct

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Thanks

i watched a corbettmaths vid and a mathsgenie one too and it all makes sense now