Math Exercises: Applications of Sequences, Simple and Compound Interest 
We put 150 € to the bank. To what amount will increase our bank deposit in seven years at 2.5%
What would have to be
For how long should be inserted into the bank 10,000 € to have this amount doubled
How much would we save up in 14 years at 3% compound interest, if we always put 10,000 € at the beginning of each new year ?
How many percent have to be the production increasing yearly during the next ten years so that at a constant percentage increase in 10 years it will be doubled ?
The production volume of this year amounted of 90 product units. How big should be the annual increase to have the production volume doubled in 4 years ?
The current production cost of one product is 450 €. In what time will the production cost reduce to a third of its current value, if the yearly decrease of the production cost is 15% ?
Of how many percent we have to increase the production each year in order to have the production increased by 60% in five years ?
Of how many percent with every stroke was decreased the original wire diameter 65 mm, if after 9 strokes the wire diameter is 46 mm ?
How many euros do we have to put into the bank in order to have 30,000 € available in 3 years, if the bank attributes at the end of each year 2% of the value of the deposit ?
How many euros do we have to put into the bank in order to have the borrowed 350 € returned in 5 years at 4%
What would have to be an annual percentage increase in order to our 600 € deposit increase in four years by onethird in the case of
There is about 75,000 m^{3} of wood in the forest. The annual growth is estimated to 3%. At the end of each year 3,500 m^{3} of the wood is harvested. Find out how much wood will remain in the forest
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