Percentages + exponential equation - practice problems - last page
Number of problems found: 47
- The deposit
A deposit has been placed for one year at an annual rate of 4.5%. The amount rose to € 2,612.5 after one year. Find initial deposit. - Car value
The car loses value by 15% every year. Determine a time (in years) when its price will halve. - Interest
What is the annual interest rate on your account if we put 32790 and after 176 days received 33939.2? - Crystal
The crystal grows every month 1.2 permille of its mass. How many months to develop a crystal from weight 177 g to 384 g?
- Demographics
The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase in population? - Computer revolution
When we started playing with computers, the first processor, which I remember was the Intel 8080 from 1974, with the performance of 0.5 MIPS. Calculate how much percent of a year rose CPU performance when Intel 486DX from 1992 has 54 MIPS. What would - When will I be a millionaire?
Barry monthly send 280 euros to the bank, which he deposits bear interest of 2.1% p. A. Calculate how many months must Barry save to save 1000000 euros? Inflation, interest rate changes, or bank failures are ignored.
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