Percentage calculations
what percentage, percentage of a number, finding the whole, increases and discounts, percentage change, the price before a discount, two price changes in a row
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62.5% of 600
Problem
What percentage of 465 is 186?
Problem
A backpack used to cost 230 zł. The price fell by 10%. What does it cost now?
Problem
Jacob has already read 55% of a book, which is 253 pages. How many pages does the whole book have?
Problem
A dictionary used to cost 108 zł and now costs 54 zł. By what percentage did the price fall?
Problem
Adam put 1000 zloty into a savings account paying 6% interest a year. The interest is added to the account at the end of each year. Ignore tax on the interest. How much money will be in the account after 2 years?
Problem
A bicycle used to cost 600 zł. The price rose by 15%. What does it cost now?
Problem
Write the number 0.86 as a percentage.
Problem
A chair used to cost 180 zł. The price was reduced twice, by 25% each time. What does it cost now?
Problem
50% of a number is 91. What is the number?
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