Answer:
1144 Parts
Explanation:
Machine A:
10 mins = 7 Parts
60 mins = 42 Parts
42 Parts × 12 = 504 Parts
Machine B:
15 mins = 16 Parts
60 mins = 64 Parts
64 Parts × 10 = 640 Parts
All Together: 640 Parts + 504 Parts = 1144 Parts
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