A crew lays 100 bricks per hour. The crew's job requires them to lay 950 bricks, and 200 have already
been laid. In which equation does h represent the number of hours needed to finish the job?
A. 100h + 200 = 950
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B. 100h - 200 = 950
C. 100 + 200h = 950
D. 100 - 200h = 950