21 - 16.75 is 4.25. Do the problem on a calculator and you'll get it.
Answer:
a
Step-by-step explanation:
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Answer:

Step-by-step explanation:
To get the answer just subtract f(x) by g(x)
The work is shown below:

Set measurements equal to each other.
7X + 20 = 8X + 8
-7X -7X
20 = X + 8
-8 -8
ANSWER: X=12
The answer is 38 over 100 cups. Simplified = 19 over 50. All you do to get the answer is put 38 over 100. Then divide 38 by 2. Then divide 100 by 2.