Increases and decreases
Types of exercises: price after a discount, price after an increase, percentage change, price before the discount, two price changes in a row.
Exercises are drawn at random from a large bank - every click gives a different set.
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Solved: 0 of 10
Problem
After a 40% discount a jacket costs 237 zł. What was the price before the discount?
Problem
A jacket used to cost 340 zł. The price fell by 25%. What does it cost now?
Problem
A hoodie used to cost 110 zł. The price was reduced by 10%, and then the new price was reduced by 50%. What does it cost now?
Problem
A ball used to cost 95 zł. The price rose by 20%. What does it cost now?
Problem
A hoodie used to cost 196 zł and now costs 245 zł. By what percentage did the price rise?
Problem
After a 25% discount a dictionary costs 66 zł. What was the price before the discount?
Problem
A backpack used to cost 78 zł. The price fell by 50%. What does it cost now?
Problem
A shop changed the price of an item twice. The price was reduced by 20%, and then the new price was reduced by 10%. By what percentage is the final price lower than the original price?
Problem
A lamp used to cost 120 zł. The price rose by 20%. What does it cost now?
Problem
A chair used to cost 224 zł and now costs 336 zł. By what percentage did the price rise?
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These exercises are part of it. On the board itself you can plot a function, write a formula in LaTeX, or solve a problem together with a teacher or a friend - live, in the browser. Our app is completely free.