Answer:
9×(3+4)
Step-by-step explanation:
9×3=27, 9×4=36
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Answer:
1,800 parts per hour
Step-by-step explanation:
330 parts = 11 min
330/11=30
30 parts = 1 min
60 min = 1 hour
30x60min=1,800
1,800 parts per hour
Answer:
21
Step-by-step explanation:
5 + 16 = 21