# Coffee

In stock are three kinds of branded coffee prices:

I. kind......248 Kč/kg
II. kind......134 Kč/kg
III. kind.....270 Kč/kg

Mixing these three species in the ratio 10:7:7 create a mixture. What will be the price of 1100 grams of this mixture?

Result

x =  243.283

#### Solution:

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

Be the first to comment!

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

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

## Next similar examples:

1. Three numbers
We have three different non-zero digits. We will create all 3 digits numbers from them to use all 3 figures in each number. We add all the created numbers, and we get the sum of 1554. What were the numbers?
2. Beer
After three 10° beers consumed in a short time there are 5.6 g of alcohol in 6 kg adult human blood. How much is it per mille?
3. The cube
The cube has an edge of 25 cm. We cut it into small cubes of 5 cm long side. How many of these little ones left when we build a new cube of 20 cm in length?
4. Area of rectangle
How many times will increase the area of the rectangle, if we increase twice the length and at the same time we decrease the width by the half?
5. Expression plus minus
Evaluate expression: (-1)2 . 12 – 6 : 3 + (-3) . (-2) + 22 – (-3) . 2
6. Dozen
What is the product of 26 and 5? Write the answer in Arabic numeral. Add up the digits. How many of this is in a dozen? Divide #114 by this
7. Sum of dividend
If X is divided separately 2.63 and 1.40. And the results of the individual divisions are added to give a result less than X. What is X?
8. The number
The number of 1 cm cubes required to make 4 cm cube is?
9. Jill's
Jill's mom stored some of the honey in a container that held 3/4 of a gallon. She used half of this amount to sweeten tea. How much honey, in cups was used in the tea. Express your answers in cups.
10. Chocolate
Leslie bought 8 same chocolates for 16 Eur. How many euros will he pay for 25 chocolates?
11. Forestry workers
In the forest is employed 56 laborers planting trees in nurseries. For 8 hour work day would end job in 37 days. After 16 days, 9 laborers go forth? How many days is needed to complete planting trees in nurseries by others, if they will work 10 hours a da
12. Bonus
Gross wage was 527 EUR including 16% bonus. How many EUR were bonuses?
13. Divisibility
Is the number 761082 exactly divisible by 9? (the result is the integer and/or remainder is zero)
14. Cyclist
A cyclist passes 88 km in 4 hours. How many kilometers he pass in 8 hours?
15. Logic
A man drinks a barrel of water for 26 days, woman for 48 days, for how many days they drink barrel together?
16. Cube in a sphere
The cube is inscribed in a sphere with volume 6116 cm3. Determine the length of the edges of a cube.
17. Root
The root of the equation ? is: ?