Percentages - practice for 13 year olds - page 16 of 57
Number of problems found: 1123
- Dimensions 60943
We will reduce one edge of the block with dimensions of 2cm, 4cm, and 6cm by 20%. How does the volume of a block change? What percentage? - A student 3
A student earned a grade of 80% on a math test with 20 problems. How many problems on this test did the student answer correctly? Round to the nearest whole number. - Following 60793
I want to turn to help with the following example. How do I reach an 8% solution? I need to mix 3.5% milk with 33% cream. Thank you for being so helpful. - Production 60701
The enamel for the production of bottles contains defects. The average number of caries is 15 per 100 kg. The bottle weighs 1 kg. What is the proportion of defective bottles?
- Interest 60693
Mrs. Betka took out a loan of 8,300 euros. After a year, she paid interest of 415 euros. What is the interest rate on Mrs. Betka's loan? - Stock market 3
Because of a political crisis, the country's stock market index dropped by 600 points. Before the crisis, the country's stock market was performing well at 8,000 points. By how many percent did the country's stock market index points drop? - Change and percentages
What is the percent of change from 35 to 62? - Corresponding 60311
The drink was mixed from one hundred percent juice and water in a ratio of 1.5 liters of juice to 2.5 liters of water. Calculate how many liters of this drink will be created by mixing 1 liter of water and juice in the corresponding ratio. Calculate how m - One-third 60291
In the classroom, 50% of students come from other districts. One-third of them commute by bus, a fifth by bike, and seven pupils walk. How many students are in the class?
- Pupils
Three hundred fifty pupils attend the school, of which 210 are girls. What percentage of boys attend school? - Three-month 60231
How much € do we have to save on a three-month term deposit with an interest rate of 2.5% pa? If we want the deposit to earn an interest of € 1,100 - Bronze
Bronze has 80% copper and 20% tin. How much copper will we need to produce bronze if we have 39kg of tin? - What fraction 2
What fraction is equal to 50% of 1/3? - What percent 4
What percent of 40 is 14?
- A pair
A pair of shoes costs $52.99, and the sales tax is 8%. Use the formula C = p + rp to find the total cost of the shoes, where C is the total cost, p is the price, and r is the sales tax rate. - Commission rate
George sold a house and lot worth Php 2,000,000.00. If the owner gave him Php 110,000.00 as a commission, what is the commission rate? - Silvia
Silvia is 20% lighter than Katy. What percentage is Katy heavier? - A discount
A discount clothing store sells a $72 sport jacket for $24 off the regular price. What is the discount rate? - Percentage 58703
In the park, with an area of 1413 m2, there is a circular fountain with a diameter of 6 m. What percentage of the park does the fountain occupy?
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Our percentage calculator will help you quickly calculate various typical tasks with percentages. Percentages practice problems. Maths practice for 13 year olds.