Question

Myron is cooking meat. The double number line shows that he needs 1 2 12 hours to cook 5 5 kilograms of meat. 0 0 5 5 Meat Meat (kg) (kg) 0 0 1 2 12 Time Time (hours) (hours) Based on the ratio shown in the double number line, how long does Myron need to cook 3 3 kilograms of meat?

Answer 1

Answer: 7 hours 12 minutes

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

⇒
`x = (12)/(5)` ( By dividing both sides by 5 )

⇒ He needs
`(12)/(5)` hours to make 1 kg of meat.

⇒ The time taken to cook 3 kg of meat =
`3* (12)/(5)=(36)/(5)`

=
`7(1)/(5)` hours ⇒ 7 hours 12 minutes

Hence, He needs 7 hours 12 minutes time to cook 3 kg of meat.