Question

Рабочему нужно изготовить 86 деталей. Первые 4 ч он изготавливал по 14 деталей в час, а зачем увеличил выработку и стал делать по 15 деталей в час. Сколько всего часов затратил рабочий на изготовление всех деталей? (С ВЫРАЖЕНИЕМ)

Answer 1

Сперва узнаем сколько деталей изготовили первые 4 часа надо 14х4=56 деталей теперь  узнаем сколько осталось изготовить 86-56=30  так как  увеличилась выроботка деталей  узнаем сколько еще часов работал рабочий 30:15=2  а теперь узнаем сколько всего часов затратил 4+2=6 часов

Answer 2

Calculation of Total Hours Spent by the Worker

To calculate the total hours spent by the worker in manufacturing all the parts, we need to consider the different rates of production during the two time periods.

In the first 4 hours, the worker produced 14 parts per hour, resulting in a total of 56 parts.

In the subsequent hours, the worker increased the production rate to 15 parts per hour. To find out how many hours it took to produce the remaining 30 parts (86 - 56), we can divide the number of remaining parts by the increased production rate:

30 parts / 15 parts per hour = 2 hours.

Therefore, the worker spent a total of 6 hours (4 hours + 2 hours) manufacturing all 86 parts.

Please note that the search results did not provide specific information related to this question. The calculation is based on the given information and basic mathematical operations.