# Basic functions - math word problems

- Dividends

The three friends divided the win by the invested money. Karlos got three eighths John 320 permille and the rest got Martin. Who got the most and which the least? - Gasoline

For nearly full tank of 40 liters of gasoline chauffeur paid 54 euros. How many euros it will cost to go 250 km long if the car has an average fuel consumption 7 liters per 100 kilometers? - Percents

How many percents is 900 greater than the number 750? - Rails

18 m railway weighs 1260 kg. How much weighs 100 m of welded railways? - Content area and percents

Determine what percentage is smaller cube surface, when the surface area of the wall decreases by 25%. - Cacao

Cacao contains 34% filling. How many grams of filling are in 130 g cacao. - Cuboid enlargement

By how many percent increases the volume of cuboid if its every dimension increases by 30%? - Tunnels

Mice had built an underground house consisting of chambers and tunnels: • each tunnel leading from the chamber to the chamber (none is blind) • from each chamber lead just three tunnels into three distinct chambers, • from each chamber mice can get to an - Fluid

We have vessels containing 7 liters, 5 liters and 2 liters. Largest container is filled with fluid the others empty. Can you only by pouring get 5 liters and two 1 liter of fluid? How many pouring is needed? - Unknown number 7

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

3 children eat 8 chocolates in 6 days. How many chocolates 6 children eat in 18 days? - Z9-I-4

Kate thought a five-digit integer. She wrote the sum of this number and its half at the first line to the workbook. On the second line wrote a total of this number and its one fifth. On the third row she wrote a sum of this number and its one nines. F - Three friends

Three friends divided the profit 104,650 CZK, so that for every 4 CZK, which got the first friend equals 5 crowns for second and for every 9 CZK, which got the second equals 16 CZK for third. Question: Who got the most and how much. - Cancer

Of the 80 people 50 people ill cancer. What percentage of people isn't ill? - Runner 2

Marian run 12 meters in 8 seconds. How far would Marian run for 70 seconds, if still run at the same pace? - Pet store

In a pet store, they are selling out the fish from one aquarium. Ondra wanted half of all fish, but they don't wish cut by hal fany fish he got one more than demanded. Matthew wished the remaining half of the fish, but as Andrew got half the fish more t - Exponential equation

Determine the value of having y in the expression (3^y): (4^-1)=36. Unknown y is a natural number greater than zero. - Raspberries

Dano had 20 raspberries. John had 90% more raspberries than Dano. Determine how many raspberries have Dano and Juraj together. - Unknown number 5

Daniel think an integer. When he change this number at a ratio of 2:5 he got number 2.8. Determine what number think Daniel. - Kerosine and petrol

if 4 litres of petrol containing 15% kerosine are added to another 7 litres of petrol containing 10% kerosine, what percentage of the petrol is kerosine?

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