121 is a Rational number .
Answer: 81/16
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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

Answer:
480 ft2
Step-by-step explanation:
You multipy 4 by 2 by 2 by 10 by 3 and you get 480.
Hope this helps :)