I believe that it is D, so sorry if it's wrong, I haven't done this in a while.
Answer:
60
Step-by-step explanation:
400-160=240
240/4=60
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Thank you so much for the ez points im jk but the answer is QRP=UTV
Just divide the number of parts made by the number of hours to get parts per hour. 15 minutes is 1/4 of an hour, so we divide 360 by 0.25 hours: