Percentages practice problems - page 68 of 111
Number of problems found: 2210
- Probability 7154
82% of football players, and 26% are hockey players at school. What is the probability that: A) I'm not a hockey player B) I know both sports C) I know one sport - The sales
The sales tax rate is 4.447% for the city and 4% for the state. Find the total amount paid for two boxes of chocolates at $17.96 each. - Number 7148
Find a number that is 14% as much as 5% of 196 - Component fail
There is a 90 percent chance that a particular type of component will perform adequately under high-temperature conditions. If the device involved has four such components, determine the probability that the device is inoperable because precisely one of t
- Enrolled: 7135
In day mode, Jirka enrolled: sleep 50%, learning 25% free time (fun + help at home) 25%. How many hours a day does he spend on each activity? - Prime number
Jan wrote any number from 1 to 20. What is the probability that he wrote the prime number? - Percentage 7129
The shop reduced the original price of the skis by 20% in January. They reduced the new price by another 20% at the beginning of February. By what percentage was the price of the skis lower than the original price? - Drying herbs
Herbs lose 75% of weight by drying. How many fresh herbs do you have to collect if you want to make 1.5 kg of dried herbs? - Winery
The wine processing plant sold 8/15 of its total wine production to the domestic market and 2/7 to foreign the rest of the wine. How many percents are still in stock?
- Deposited 7096
Mr. Novák deposited CZK 50,000 a year in the bank at an annual interest rate of 4%. How much will pre-tax interest be after one year? - The crime
The crime rate of a certain city is increasing by exactly 7% each year. If there were 600 crimes in 1990 and the crime rate remains constant each year, determine the approximate number of crimes in 2025. - Boys and girls
There are eight boys and nine girls in the class. There were six children on the trip from this class. What is the probability that: a) only boys went on the field trip b) just 2 boys went on the field trip - There
There are 32 trees of three species in the orchard. 25% cherries, three eighty pears, and other plums. How many plums are in the orchard? - The cube
The cube has an edge of 12 dm. The second cube has an edge exactly 20% longer. How much % more water is in the second cube than in the first cube if the first cube is full to 3/4 and the second to 3/8?
- Mixed with percentages Calculate 33 1/3% of 570.
- Inverted nine
In the hotel Inverted Nine, each hotel room number is divisible by 6. How many rooms can we count with the three-digit number registered by digits 1, 8, 7, 4,9? - Discount
The dress was discounted by CZK 115, which was 12% of the original price. What is the cost of the dress after the discount? - Square metal sheet
We cut out four squares with a 300 mm side from a square sheet metal plate with a side of 0.7 m. Express the fraction and the percentage of waste from the square metal sheet. - Commission 2
Mr. Gomez sells used cell phones. His commission for every cellphone sold is 20%. If his total sales are Php 33850, how much is his commission? Please, please, please show your solution.
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