Question

Двум рабочим требуется изготовить одинаковое количество деталей. однако первый рабочий делал в день 25 деталей, а второй - только 20 деталей. поэтому через 10 дней первому рабочему осталось сделать в 2 раза меньше деталей, чем второму. сколько деталей осталось сделать каждому рабочему

Answer 1

25*10=250
20*10=200
250-200=50
50*2=100 деталей второму рабочему
100/2=50 деталей осталось сделать первому рабочему

Answer 2

Problem Analysis

Two workers need to produce the same number of parts. However, the first worker produces 25 parts per day, while the second worker produces only 20 parts per day. After 10 days, the first worker needs to produce half the number of parts compared to the second worker. We need to calculate how many parts each worker has left to produce.

Solution

Let's calculate the total number of parts produced by each worker in 10 days: - The first worker produces 25 parts per day, so in 10 days, they produce 25 * 10 = 250 parts. - The second worker produces 20 parts per day, so in 10 days, they produce 20 * 10 = 200 parts.

Since the first worker needs to produce half the number of parts compared to the second worker, they need to produce 200 / 2 = 100 parts.

To calculate how many parts each worker has left to produce, we subtract the number of parts they have already produced from the total number of parts they need to produce: - The first worker has already produced 250 parts and needs to produce 100 parts, so they have 250 - 100 = 150 parts left to produce. - The second worker has already produced 200 parts and needs to produce 200 parts, so they have 200 - 200 = 0 parts left to produce.

Therefore, the first worker has 150 parts left to produce, and the second worker has 0 parts left to produce.

Answer

The first worker has 150 parts left to produce, and the second worker has 0 parts left to produce.