Answer:
At least 5 days
Explanation:
400 miles per day / 1990 miles trip would take?
Cross multiplying gives;
= 4.975 days
Rounding off the answer to nearest day gives 5 days.
It would take 5 days
1990/400 is 4.975 round that it is 5 so 5 days
5.7m questions
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= 4.975 days