Question

Part A

The year in which the US Civil War ended was 25 percent later than the year Christopher Columbus set sail from Spain. If c represents the year Columbus set sail, we can write the year the Civil War ended as c + 0.25c. Rewrite this expression as a single term.

Answer 1

1.25c

Explanation:

c + 0.25c can be written as a single term: 1.25c.

Note that c + 0.25c = 1.00c + 0.25c, and that

1.00c

+0.25c

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1.25c (same as above)