Rational numbers + percentages - math problems

Number of problems found: 34

  • The recommended
    books The recommended price of the novel "Laughing Sun" is 285 SKK. The bookseller bought 60 pieces of the novel at the wholesale store and paid 82% of the recommended price (18% is his profit for selling books). For the recommended price, he sold 55 pieces of
  • The fastest
    ship The fastest boat can reach speeds more than 710% as fast as the Queen Mary 2. How would you express this number as a fraction and as a decimal?
  • Percent to number
    Permutations To increase that number by 5 percent, we need to multiply it by:
  • Unions now
    roh The plant has 1,250 employees. The Trade Unions (former ROH, OH) is 18% male, 23% female. Plant management reported that in the trade union is 20% of all employees. How many men and women are in the plant, and how many are men and women in trade unions?
  • Positive number z
    137977724_4c6058fe95_m Positive number z is 10% greater than the number y. How many % is y smaller than z? Report the result rounded to one decimal place.
  • Bureaucracy
    bureaucrat 23 people attended the office. 9 of them completed the questionnaire. What is the percentage of all people?
  • Price of state
    cena_statu_blocek Estimate the cost of the state based on following reason. State price is expressed as a percentage respectively share in the redistribution of national GDP. Employee creates monthly value € 868 (super-gross wage).Then tax him 35.2% employer contributions
  • Rising price
    book The book first become more expensive by 5 euros. New price was later increased by 8%. After the second price increase book cost 46 euros. What was the original price of the book?
  • Addends
    1plus1 Number 839 divide into the two addends that the first was 17 greater than 60% of the second. Determine these addends.
  • Efficiency
    engine_lap A certain device consumes 28 kW and delivers 14 kW. Find its efficiency.
  • VAT
    Tax John paid 1000 Euros in store for purchase. Calculate value added tax (VAT), which paid in purchase, if the VAT rate is 20%.
  • Negative percentage
    trabant In 2006, the company had a loss of 11100 Euros. Two years later, he was already in profit 50000 Eur. Calculate what percentage of the company increased profits in these two years.
  • Percentages above 100%
    cmelak What is 122% of 185? What is the meaning of percentages above 100%?
  • Bonus
    moeny The gross wage was 1323 USD including 25% bonus. How many USD were bonuses?
  • Tare
    camion Gross weight of shipment is 6927 kg and its tare is 7%. Calculate the net weight of the shipment.
  • Alcohol
    no_alcohol How many 55% alcohol we need to pour into 14 liters 75% alcohol to get p3% alcohol? How many 65% alcohol we get?
  • Sea water
    sea Mixing 62 kg of sea water with 84 kg rainwater is created water containing 3.1% salt. How many percent sea water contains salt?
  • Tape
    mg Video is 153% more expensive than tape recorder. How many percent is tape recorder less expensive than video?
  • Discount
    pulover Ladies sweater was twice discounted. First by 8%, then by 8% of the new price. Its final price was 66 €. Determine the original price of the sweater.
  • Four pupils
    four_digit Four pupils divided $ 1485 so that the second received 50% less than the first, the third 1/2 less than a fourth, and fourth $ 154 less than the first. How much money had each of them?

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