Number of problems found: 670
A young tree is 16 inches tall. One year later, it is 20 inches tall. What is the percent increase in height?
- If we
If we increase the unknown number by 4%, we get 780. Determine the unknown number.
The temporary workers planted new trees. Of the total number of 500 seedlings, they managed to plant 426. How many percents did they meet the daily planting limit?
- Percent to number
To increase that number by 5 percent, we need to multiply it by:
Iron ore contains 54% iron. How much ore is needed to produce 23 tons of iron?
- Percent calculation
Calculate 51% if 99% is 79.
- Altitude difference
What a climb in per mille of the hill long 4 km and the altitude difference is 6 meters?
- Selling price
Find the selling price. Cost to store: $50 Markup: 10%
Large backpack cost CZK 1352, little is 35% cheaper. How much we paid for 5 large and 2 small backpacks?
- The city
In the city is 2/4 of women married to 3/4 men. What percentage of townspeople is single (not married)?
- Simple interest 2
Find the simple interest if 13905 USD at 4.5% for 6 months.
- Three dice
What is the probability that when we roll three dice, we roll the numbers 1,2,3?
- Vinegar mixing
We mix 70g water and 50g 8% vinegar. How many percents of the solution of vinegar we produce?
The wine processing plant sold 8/15 of its total wine production to the domestic market, 2/7 to the foreign the rest of the wine. How many percents are still in stock?
1000$ is invested at 10% compound interest. What factor is the capital multiplied by each year? How much will be there after n=12 years?
- Ace or king
What is the probability that we will choose an ace or a king when choosing from a deck of sevens cards?
- A perineum
A perineum string is 10% shorter than its original string. The first string is 24, what is the 9th string or term?
- Three reds
What is the probability that when choosing 3 carats from seven carats, all 3 reds will be red?
- Break time
Calculate how many percent of school time is spent on breaks. Calculate data for the whole week.
- Seasonal sale
The bike became cheaper on the seasonal sale by 22%, which is 88 euros. At what price is it sold now?
Our percentage calculator will help you quickly calculate various typical tasks with percentages.