Need more information. You said which of the following and didn't put any questions under it
Answer:
47.5
Step-by-step explanation:
50-5+4 =49
49/2 = 24.5
Subtraction
multiplication
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I don’t have a calculator with me use sine 20divided by Sin(60) will give you x
Keep the denominators the same and subtract the numerators. So for example in your example:
7/8 - 3/8
Leave the 8 alone. Subtract 3 from 7.
7 - 3 = 4
So answer is:
4/8
Sometimes they may have to simplify the answer, and in this case, 4/8 could be simplified to 1/2
