# Basic functions - math word problems

- Unknown number 7

16% of the unknown number is by 21 less than unknown number itself. Determine the natural unknown number. - Students

In the front row sitting three students and in every other row 11 students more than the previous row. Determine how many students are in the room when the room is 9 lines, and determine how many students are in the seventh row. - Sales of products

For 80 pieces of two quality products a total sales is 175 Eur. If the first quality product was sold for n EUR per piece (n natural number) and the second quality product after 2 EUR per piece. How many pieces of the first quality were sold? - Add symbols

Add marks (+, -, *, /, brackets) to fullfill equations 1 3 6 5 = 10 This is for the 4th grade of the primary school - with no negative numbers yet - Asymptote

What is the vertical asymptote of ? - Mr. Happy

Mr. Happy planted 36.6 meters square gardens grass; It's a third of the garden more than half of the garden. What is square area of this garden? - Field on plan

Plan has a scale of 1: 2500.Determine dimensions in centimeters which will have on plan field with a length of 310 meters and a width of 182.5 meters. - Type of triangle

How do I find the triangle type if the angle ratio is 2:3:7 ? - Owner of the company

The owner of the company with extensive administrative activity wants to sell the obsolete 3 machines at the price of CZK 1000 per 1 machine with a six-month warranty period. If the machine breaks down during this period, the owner will return the employe - Unknown number

Determine the unknown number that is equal to a quarter of the fifth of number, which is by 152 more than unknown number. - Apples 2

James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam? - Mr and Mrs

Mr. Calda and Mrs. Cald have a total of 139 years. How many years have when we know that Mr. Calda is 9 years older than Mrs. Cald - Sales stores

The first sales store passed the 1/3 and the second 2/5 of the total amount of goods.In third store passed the 2/3 rest of the goods. The remaining 40 kg of goods put into fourth store. How many kilograms of goods pass to a third store? - Sum or product

What is the probability that two dice fall will have the sum 7 or product 12? - Package Deal - what to choose

The parents decided to purchase a mobile phone to their son. They choose from menu: ? Which offer is best? - Sides ratio

Calculate the circumference of a triangle with area 84 cm^{2}if a:b:c = 10:17:21 - Dividing money

Thomas, Honza and Vasek are to divide 1220kč. Honza got 25% more than Thomas. Vasek 20% less than Thomas. How CZK each got? - School marks

Boris has a total of 22 marks. Ones have 3 times less than threes. There are two twos. How many has ones and threes? - Foot in bus

It was 102 people on the bus. 28 girls had two dogs. A 11 girls had one dog. At the next stop seceded 5 dogs (even with their owners). They got two boys together with three dogs. The bus drove one driver. How many foot were in bus? - Quadratic function

Write the equation of the quadratic function which includes points A (-1, 10), B (2, 19), C (1,4)

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