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Answer: 7 hours 12 minutes
Step-by-step explanation:
Let he needs x hours to make 1 kg of meat.
Therefore, time taken in making 5 kg of meat = 5 × x = 5x hours.
But, According to the question,
He needs 12 hour to cook 5 kg of meat.
Thus, 5 x = 12
⇒ ( By dividing both sides by 5 )
⇒ He needs hours to make 1 kg of meat.
⇒ The time taken to cook 3 kg of meat =
= hours ⇒ 7 hours 12 minutes
Hence, He needs 7 hours 12 minutes time to cook 3 kg of meat.
