Answer:
9 ÷ 7 + d.
Step-by-step explanation:
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Step-by-step explanation:
Answer:
3 hours
Step-by-step explanation:
3 Men-5 hours
5 men-?
1 man-3×5= 15 hours
therefore 5 men =15÷5= 3 hours
Answer: 91
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
1