There are three workshops in a factory. The number of people in the second workshop is 30 less than 4 / 5 of the number in the first workshop There are three workshops in a factory. The number of people in the second workshop is 30 less than 4 / 5 of the number in the first workshop. The number of people in the third workshop is 5 more than 75% of the total number in the first and second workshops. It is known that there are 250 people in the first workshop. How many people are there in the three workshops?

There are three workshops in a factory. The number of people in the second workshop is 30 less than 4 / 5 of the number in the first workshop There are three workshops in a factory. The number of people in the second workshop is 30 less than 4 / 5 of the number in the first workshop. The number of people in the third workshop is 5 more than 75% of the total number in the first and second workshops. It is known that there are 250 people in the first workshop. How many people are there in the three workshops?

The number of people in the second workshop is: 4 / 5 * 250 - 30 = 170,
The number of people in the third workshop is: (250 + 170) * 0.75 + 5 = 320