Percentages + direct relationship - practice problems
Number of problems found: 35
- Express 72
Express the percentage to a fraction. 15% - Square
If we increase the side of the square, increase its area of 91%. What is the percentage we increase the side of the square? - Percentage: 54311
Percentage: Increase and decrease- (x + 5) by 25%. - Simple interest 3
Find the simple interest if 11928 USD at 2% for 10 weeks. - Copy typist
Typist for 12 hours, rewritten 15% of the manuscript. After how many hours will he do 35% of the manuscript? - Potatoes
Potatoes contain 77% starch. How many potatoes need to obtain 61.2 kg of starch? - Percentage 83199
The selling price is 5.75 EUR, and the buying price is 4 EUR. By what percentage was the price increased? - Accidents
The count of accidents in 1995 caused 8780 women, which is 8.4%. How many men caused the accidents? - Expansion
If one side of the rectangle is larger 4-times and the second 2-times, what percentage increases the area of the rectangle? - Person's 82268
The length of the femur makes up 27% of a person's height. If the femur is 46.75 cm long, how tall is a person? - 9332% 4371
When 17.2 kg is 94.9332%, how much kg is 66%? - Saving
Gejza save € 1470 to buy a car. Yet it lacks save 45% of the car price. How much is the car? - Bath salts
Bath salt A weighs 900 grams and costs 36,40 CZK. Bath salt B weighs 1000 grams but costs 85 CZK. How much is a bath salt A cheaper than B salt? - Simple interest 2
Find the simple interest if 16050 USD at 4.9% for 9 months. - Sisters
Sisters Zuzka Lenka and Vierka have saved for a new bike. Zuzka save € 90, Lenka save € 90 and Vierka save € 82. Missing 30% gave them their mother. What is the price of the bike? - Product V2
The price of the product was increased by 12%. Price increased by 273. How much money would this product cost if it was, on the contrary, by 19% discounted? - Ratio three numbers
Three numbers SUV are in the ratio 2:3:4. Their sum is 90. Find these numbers and write their add and sum. - Discount 3583
The TV cost € 420 after a 9% discount. How much did he cost before the discount? - TV fail
The TV has average 35 failures after 10,000 hours. Find the probability of TV failure after 400 hours of operation. - Sales vs profit
Apple sells 22 percent less computes than Acer, but its sales are 2.2 times higher than Acer. How many times are Apple computers more expensive than Acer?
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