# Lecturers 6099

Three lecturers will create 75 tasks in two and a half days. In how many days will it take at least five lecturers to create enough exercises for the exercise book, which should contain 300 exercises? (we assume that all tutors are equally efficient and work at a constant speed)

## Correct answer:

Tips for related online calculators

Check out our ratio calculator.

Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?

Do you want to convert time units like minutes to seconds?

Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?

Do you want to convert time units like minutes to seconds?

### You need to know the following knowledge to solve this word math problem:

**algebra**- equation
- expression of a variable from the formula
**basic functions**- ratio
- direct proportionality
- simple proportion

### Units of physical quantities:

#### Themes, topics:

### Grade of the word problem:

## Related math problems and questions:

- Worker's performance

Fifteen workers paint 180 m fence in 3 days. In how many days will nine workers paint a 360 m fence? We assume that each worker has the same, constant and unchangeable performance. - Efficient 43461

Four workers were supposed to build 200m of the fence in 15 days. However, after 3 days, two more workers came to their aid. All workers were equally efficient. Calculate how many meters of the fence (from the original 200m) remained after the first 3 day - Fransisca

Fransisca read a book 391 pages long, reading 17 pages a day. There are two more books in the series. How long will it take Fransisca to read all three books if they have the same page length and she reads at the same speed? - Efficient 82615

Six maids in a hotel make 200 beds in 2 hours. Calculate how long five equally efficient maids would take to make these beds. Enter the result in minutes. Calculate how long three equally efficient maids would take to make 100 identical beds. Express the

- Two cars

Car A1 goes at an average speed of 106 km/h and the second car, A2, goes at 103 km/h. How many seconds will it take car A1 to circulate car A2? Assume that both cars are 5 meters long and the safety gap between cars is 1.5 meters. - Four pavers

Four pavers would pave the square in 18 days. How many pavers do you need to add to the done work in 12 days? - Book reading

If we read the book at a speed of 15 pages a day, we read it three days before we read it at a speed of 10 pages per day. If I read six pages per day, how many days will I read the book?