Question

If an amount of food last for 20 days for 120 men, how long will it last for 80 men at the same rate?​

Answer 1

Given:-

If an amount of food last for 20 days for 120 men, how long will it last for 80 men at the same rate?

Solution:-

Day => 40 | x

Men => 120 | 80

More man less day, less men food will last more days. Thus, its direct variation.

40×120 = x×80

4,800 = x×80

4,800/80 => 60 days

Answer 2

Answer:

see the attachment for step-by-step solution.

Step-by-step explanation:

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