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Elza [17]
2 years ago
8

A chef can finish a catering job in 4hr. His student can do the same job in 12hr. How long will it take them both to do the job

if they work together
Mathematics
1 answer:
Arte-miy333 [17]2 years ago
4 0
12 divided by 4 equal 3
Ans:3hrs
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