A man is paid $400.00 for each day he works and fined $50.00 for each day he fails to work. After 7 days he is paid $2750.00. How many days has he worked?

6 days.

Explanation:

400 x 7 = 2800

2800 - 50 = 2750

He worked 6 days and got fined for failing to work on one of the days which is why he got paid 2750 and not 2800.

Hope this helped!

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