Question

Кукольный мастер изготавливает одну куклу за 1 час 45 минут. После каждых трех изготовленных кукол мастер вынужден отдыхать полчаса. Для подарков нужно изготовить десять кукол. В какое время следующего дня (укажите часы и минуты) будет выполнен заказ, если мастер начал изготавливать кукол в 10 часов утра и при этом работал и в ночное время? Ответ оформите по образцу: 7:00.

Answer 1

Ответ:

Посчитаем: 105 минут * 3 = 315 минут уходит на изготовление 3 кукол,

отсюда : 315+30+315+30+315+30+105=1140 минут потребуется чтобы изготовить 10 кукол .Переведем 1140 минут в часы: 1140:60=19(ч)

Значит он закончит работать в 5:00

Надеюсь помог!

Answer 2

Problem Analysis

To solve this problem, we need to calculate the time it will take for the doll maker to complete an order of ten dolls, considering the time it takes to make each doll and the breaks the doll maker needs to take after every three dolls.

Solution

Let's break down the problem step by step:

1. The doll maker takes 1 hour and 45 minutes to make one doll. 2. After making every three dolls, the doll maker takes a 30-minute break. 3. We need to calculate the time it will take to make ten dolls, considering the breaks.

To calculate the time, we can follow these steps:

1. Calculate the total time it takes to make one doll, including the break time: - Time to make one doll: 1 hour and 45 minutes. - Break time after every three dolls: 30 minutes. - Total time to make one doll, including the break: 1 hour and 45 minutes + 30 minutes = 2 hours and 15 minutes.

2. Calculate the number of doll-making cycles required to make ten dolls: - Each cycle consists of making three dolls and taking a break. - Number of cycles required to make ten dolls: 10 dolls / 3 dolls per cycle = 3.33 cycles. - Since we can't have a fraction of a cycle, we need to round up to the nearest whole number. - Number of cycles required to make ten dolls (rounded up): 4 cycles.

3. Calculate the total time required to make ten dolls: - Total time for one doll-making cycle (including the break): 2 hours and 15 minutes. - Total time for four doll-making cycles: 4 cycles * 2 hours and 15 minutes = 9 hours.

4. Add the start time of 10:00 AM to the total time to find the completion time: - Start time: 10:00 AM. - Total time required to make ten dolls: 9 hours. - Completion time: 10:00 AM + 9 hours = 7:00 PM.

Therefore, the order will be completed at 7:00 PM.

Conclusion

The doll maker will complete the order of ten dolls at 7:00 PM if they start making the dolls at 10:00 AM and work continuously, including the breaks after every three dolls.