Question

Для стада коров фермер заготовил корма на 30 дней на сколько хватит кормов если поголовье увеличится на 25%, а дневная норма расхода кормов снизится на 20%

Answer 1

Пусть x-количество коров y- дневная норма расхода 1 - количество заготовленного корма тогда xy=1 C другой стороны после увеличения поголовья и уменьшения дневной нормы расхода корма имеем, что 1.25x*0.8y=xy то есть корма хватит тоже на 30 дней

Answer 2

Calculating Cow Feed Duration

To calculate how long the feed will last for the increased herd size with the decreased daily consumption, we can use the following steps:

1. Calculate the New Herd Size: - The herd size increases by 25%. - If the original herd size was 100 cows, the new herd size would be 125 cows.

2. Calculate the New Daily Consumption: - The daily consumption decreases by 20%. - If the original daily consumption was 100 units, the new daily consumption would be 80 units.

3. Calculate the Feed Duration: - Divide the total amount of feed by the new daily consumption to find out how many days the feed will last.

Calculation

Using the above steps, we can calculate the duration for which the feed will last for the increased herd size with the decreased daily consumption.

1. New Herd Size: - Original herd size: 100 cows - Increased by 25%: 100 * 1.25 = 125 cows

2. New Daily Consumption: - Original daily consumption: 100 units - Decreased by 20%: 100 * 0.8 = 80 units

3. Feed Duration: - If the original feed was for 30 days, the new feed duration can be calculated as: - New feed duration = Original feed amount / New daily consumption - New feed duration = 30 / 80 = 0.375 days per unit of feed - Therefore, the feed will last for approximately 0.375 * 100 = 37.5 days for the increased herd size with the decreased daily consumption.

Conclusion

With the increased herd size and decreased daily consumption, the feed will last for approximately 37.5 days.