Percentages - examples - page 20
- Percents - easy
How many percent is 432 out of 434?
Cacao contains 34% filling. How many grams of filling are in 130 g cacao.
A young tree is 16 inches tall. One year later, it is 20 inches tall. What is the percent increase in height?
In the first round of slalom fell 15% of all competitors and in the second round another 10 racers. Together, 40% of all competitors fell. What was the total number of competitors?
- Percentages 5
$5.25 is 7 1/2% of what number?
The angle of a straight road is approximately 12 degrees. Determine the percentage of this road.
- Inscribed sphere
How many percents of the cube volume takes the sphere inscribed into it?
- Paul earned
Paul earned 300 Kč in one hour, Václav 1/3 more than Paul. Václav worked 60 hours, which is 1/3 fewer hours than Paul worked. How many percents less earned Paul an hour than Václav? How many hours did Paul more than Václav? How much did Paul earn more t
Farmers seeded maize to 45 ha, which is 15% of their total farmland. How many hectares of fields they have?
How many percents is 900 greater than the number 750?
- Image reduction
To say that I am mathematically challenged is a gross understatement! I'm trying to help my friend determine how to calculate percentages of reduction or enlargement for a quilt pattern. She is creating a drawing of a cute picture which will become a pie
- Solutions, mixtures
How many liters of 70% solution we must add to 5 liters of 30% solution to give us a 60% solution?
- Fruit tea
Tea contains 7% of fruit components and 12% of sugar in this component. How many percents of sugar is represented in the whole tea?
Two masons with the same performance would have made of plaster for 6 days. One of them, however, has increased its daily performance by 50%. How long would take they now to make plaster together?
- The ball
The ball was discounted by 10 percent and then again by 30 percent. How many percent of the original price is now?
- Finding the base
Find unknown base of percent: 12.5 percent of what = 16 ?
- The room
The room has a cuboid shape with dimensions: length 50m and width 60dm and height 300cm. Calculate how much this room will cost paint (floor is not painted) if the window and door area is 15% of the total area and 1m2 cost 15 euro.
- Volume and body diagonal
Calculate how much the volume and body diagonal of the cuboid decrease if we reduce each of its three edges a, b, c by 18%?
- Fruit juice
Fruit juice contains 37.5% sugar. How many percents of sugar will be in the flavored mineral that we prepare from 100 grams of fruit juice and 1.4 liters of mineral? (1 liter = 1 kg)
- Cube into sphere
The cube has brushed a sphere as large as possible. Determine how much percent was the waste.
Our percentage calculator will help you quickly calculate various typical tasks with percentages.