# Basic functions - math word problems

1. Simply equation Solve this equation for x: ?
2. Divide money Divide 1200 USD at a ratio of 1:2:3:4:5:6:9:10
3. Conversion of units Complete the following length data
4. Donuts In the dining room at one table sit Thomas, Filip and Martin. Together they eat 36 donuts. How many donuts eaten everyone, when Filip ate twice as much as Thomas and Martin even half over Filip?
5. Savings and retirement The older sibling has saved 44% more euros than the youngest, which represents 22 euros. How many euros older brother has saved ?
6. The tap For one day flows 148 l of water out of the tap. How much water will flow out for 3/4 day?
7. Pumps 5 5 pump pumped in 3 hours 1800 hl of water. How many hectoliters of water pumped 4 equally powerful pumps in 6 hours?
8. Joshka Joshka had € 15. Mama took him 15%. How many had left?
9. Buttons Shirt has 6 buttons, blouse has 4 buttons. All buttons are 176. Shirts and blouses are together 36. How many are the shirts and blouses?
10. Unknown number 24 f we add 20, we get 50% of its triple. What is this unknown number?
11. Infinite decimal Imagine the infinite decimal number 0.99999999 .. ... ... ... That is a decimal and her endless serie of nines. Determine how much this number is less than the number 1. Thank you in advance.
12. Fuel economy How many kilometers is sufficient petrol in the cylinder fuel tank with a diameter 40 cm and the base of tank length 1 m, when it is filled to 60% and if the car consume 15 liters per 100 km?
13. Coins Denis and Zdeno together have 97 coins. If Denis had 4 coins less than he has now, the number of the coins would be in the ratio 14: 17. Determine the number of coins owned by Denis and Zdeno.
14. Bath salts Bath salt A weighs 900 grams and costs 36,40 CZK. Bath Salts B weighs 1000 grams, but costs 85 CZK. How much is a bath salt A cheaper than B one?
15. The confectionery The confectionery sold 5 kinds of ice cream. In how many ways can I buy 3 kinds if order of ice creams does not matter?
16. Pharmacy The pharmacy add to 3 liters of 95-percent alcohol 5 liters of 38.04 percent alcohol. How many percent pharmacy got?
17. Roses and tulips At the florist are 50 tulips and 5 times less roses. How many flowers are in flower shop?
18. Percentage - fractions About what percentage we must increase number 1/6 to get number 1/3?
19. Charles Bridge Charles Bridge was 15 times older than Frantův bridge from 1900 in 1931. How old is the Charles Bridge?
20. Percent Calculate how many % is the number 26.25 less than the number 105.

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