Answer:

Step-by-step explanation:
Let
x -----> the number of slabs of butter
y ----> the number of cups of butter
we know that
The ratio is

so

That means-----> The number of slabs of butter must be equal to the number of cups of butter
In this problem
we have

Remember that

so
The number of slabs of butter needed must be equal to the number of cups of butter
therefore

I believe your answer is A.
The total number of keys equals:
12 + 5 + 11 + 2 = 30 keys
The probability to pick a sliver key is:
12/30 = 2/5
The probability to pick a copper key is:
11/30
Hope that helps
Answer:
isweartogodiwillcomment
Step-by-step explanation:
Answer:
The answer to this question is angles