Percentages Problems

Number of problems found: 670

  • Trees
    tree2 A young tree is 16 inches tall. One year later, it is 20 inches tall. What is the percent increase in height?
  • If we
    math_4 If we increase the unknown number by 4%, we get 780. Determine the unknown number.
  • Summerjob
    tree2 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
    Permutations_1 To increase that number by 5 percent, we need to multiply it by:
  • Iron
    250px-Iron_electrolytic_and_1cm3_cube Iron ore contains 54% iron. How much ore is needed to produce 23 tons of iron?
  • Percent calculation
    percent_sign Calculate 51% if 99% is 79.
  • Altitude difference
    promile What a climb in per mille of the hill long 4 km and the altitude difference is 6 meters?
  • Selling price
    usd_11 Find the selling price. Cost to store: $50 Markup: 10%
  • Backpack
    batoh_1 Large backpack cost CZK 1352, little is 35% cheaper. How much we paid for 5 large and 2 small backpacks?
  • The city
    m_f In the city is 2/4 of women married to 3/4 men. What percentage of townspeople is single (not married)?
  • Simple interest 2
    coins-uk Find the simple interest if 13905 USD at 4.5% for 6 months.
  • Three dice
    dices_5 What is the probability that when we roll three dice, we roll the numbers 1,2,3?
  • Vinegar mixing
    vinegar_2 We mix 70g water and 50g 8% vinegar. How many percents of the solution of vinegar we produce?
  • Winery
    wines_2 The wine processing plant sold 8/15 of its total wine production to the domestic market, 2/7 to the foreign the rest of the wine. How many percents are still in stock?
  • Investment
    penize_49 1000$ 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
    cards What is the probability that we will choose an ace or a king when choosing from a deck of sevens cards?
  • A perineum
    sequence_geo_9 A perineum string is 10% shorter than its original string. The first string is 24, what is the 9th string or term?
  • Three reds
    sedma What is the probability that when choosing 3 carats from seven carats, all 3 reds will be red?
  • Break time
    skola_1 Calculate how many percent of school time is spent on breaks. Calculate data for the whole week.
  • Seasonal sale
    bicycle_gears 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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