# UN 1

If we add to an unknown number his quarter, we get 210. Identify unknown number.

**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:

- Unknown number

Identify unknown number which 1/5 is 40 greater than one tenth of that number. - Fractions

Three-quarters of an unknown number are 4/5. What is 5/6 of this unknown number? - Unknown number

I think the number - its sixth is 3 smaller than its third. - Determine the number

Determine the number x that ?. - Equation

Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number. - Class 8.A

Three quarters of class 8.A went skiing. Of those who remained at home one third was ill and the remaining six were on math olympic. How many students have class 8.A? - Equation with fractions

Solve equation: ? It is equation with fractions. - Cleaning windows

Cleaning company has to wash all the windows of the school. The first day washes one-sixth of the windows of the school, the next day three more windows than the first day and the remaining 18 windows washes on the third day. Calculate how many windows ha - Pears

There were pears in the basket. I took them two fifths and left them in a basket of six. How many pears I took? - Equation with x

Solve the following equation: 2x- (8x + 1) - (x + 2) / 5 = 9 - Seamstress

The seamstress cut the fabric into 3 parts. The first part was the eighth fabric, the second part was three-fifths of the fabric and the third part had a length of 66 cm. Calculate the original length of the fabric. - Together

Grandfather, father, and son are carpenters. They decided to make a wardrobe. Father produces it for 12 hours, his son for 15 hours, and grandfather for 10 hours. How long will they make it together? - Trip

On the trip drank 3/10 of pupils tea, 2/5 cola, 1/4 mineral water and remaining 3 juice. How many students were on the trip? - 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? - Vehicle tank

A vehicle tank was 3/5 full of petrol. When 21 liters of fuel was added it was 5/6 full. How many liters of petrol can the tank hold? - 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? - Simple equation

Solve for x: 3(x + 2) = x - 18