# Percentages Problems

#### Number of problems found: 670

• Trees
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.
• Summerjob
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
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%
• Backpack
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?
• Winery
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?
• Investment
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?

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