Answer:
A proportion is simply a statement that two ratios are equal. It can be written in two ways: as two equal fractions a/b = c/d; or using a colon, a:b = c:d. The following proportion is read as "twenty is to twenty-five as four is to five.
After ruling over western Europe for centuries, the Roman Empire collapses.
Answer:
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1: F major
2: F
3: C major
4: C
