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Answer:
C:1 and 3/4
Step-by-step explanation:
We can use a ratio to solve
1 day x days
------- = -------------
24 hours 42 hours
Using cross products
1 * 42 = 24x
Divide each side by 24
42/24 = x
21/12 = x
7/4 = x
4/4 + 3/4 =x
1 3/4 =x
1 3/4 days = x