# Class

The class has 18 students. Everyone knows inline skating or skateboarding. Inline skating can ride 11 students on a skateboard 10. How many ride on inline skates and on skateboard?

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- Families

In class we investigated how many children have family in which its live. How many% of pupils live in families with more than two children? If five families each have one child in 9 families have 2 children, in 5 families have 3 children, in 2 families ha - Waste paper

Our school attend 1,300 pupils. Each pupil collected plastic bottles or paper. Plastic bottles have collected 930 pupils and 600 pupils old paper. How many students have collected together plastic bottles and waste paper? - News

From 33 students buy magazine 9 The economist students, 14 BusinessWeek students and 19 students don't buy any of these magazines. How many students buy both magazines? - Ten pupils

10 pupils went to the store. 6 pupils bought lollipops and 9 pupils bought chewing gum. How many pupils have bought both lollipops and chewing gums (if everyone bought something)? - Disjoint

How many elements have union and intersection of two disjoint sets when the first have 1 and secodn 8 elements. - Addition of Roman numbers

Added together and write as decimal number: XXXIV + MDCCXII - Italian writer

There were 17 children in the barracks with an Italian writer. 6 children ordered a book in an Italian original and 12 children in the translation. How many children ordered a book in both languages if the three children did not order it? - Rings - intersect

There are 15 pupils on the sporting ring. 10 pupils go to football, 8 pupils go to floorball. How many pupils go to both rings at the same time? - Gloves

Petra has ten pairs of gloves in the closet. Six pairs are blue, 4 pairs are yellow. How many pieces of gloves need to be pulled out at least when she pull them out in the dark and want to have one complete one color pair? - Circles

For the circle c_{1}(S_{1}; r_{1}=146 cm) and c_{2}(S_{2}; r_{2}= 144 cm) is distance of centers |S_{1}S_{2}| = 295 cm. Determine the distance between the circles. - Street numbers

Lada came to aunt. On the way he noticed that the houses on the left side of the street have odd numbers on the right side and even numbers. The street where he lives aunt, there are 5 houses with an even number, which contains at least one digit number 6. - The result

How many times I decrease the number 1144 to get the result 22? - The diagram

The diagram is a cone of radius 8cm and height 10cm. The diameter of the base is. .. - Equation 29

Solve next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 ) - 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? - Expressions

Find out value of expressions if a = -1, b =2: x=b - 2a - ab y=a^{3}- b^{2}- 2ab z=a^{2}b^{3}- a^{3}b^{2}w=a + b + a^{3}- b^{2} - Line

How many parts of line divide 5 (different) points that lie on it?