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Help pls thank you

Curtis kept track of the number of miles he ran each day for 10 days. By day 4, he had already run 9 miles.

How many days did it take Curtis to run 21 miles?



A.
7 days

B.
9 days

C.
25 days

D.
30 days

User Sal Prima
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2 Answers

3 votes
didnt say if he ran the same amount everyday
User BiigNiick
by
5.9k points
3 votes
i got around 9 days but the answer was 20.99999997
User Piggybox
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7.1k points