you will have 1/4 or 25% probability to pick a black sock because
4 blue socks + 5 gray socks + 3 black socks = 12 socks. but you need to pick one of the 3 black socks so 3 out of 12 or 3/12. simplify to 1/4
ans of these is 180
Step-by-step explanation:
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Answer:
300 g. of chocolate.
75 g. of flour
3 people.
Step-by-step explanation:
These are proportion problems. I'll just give you the first formula.

Can you do the rest? I'll be waiting in the comments.
:)
David needs 36 gallons.
So, 36/z (for now) the bigger cooler is 5x. However, I don’t know what x is. So, the problem can’t really be solved. I’m sorry.