Cut trees

There are 1,200 trees in the grove, of which 55 percent are deciduous, the remaining coniferous. Workers cut down 35 percent a) trees, b) deciduous trees, c) coniferous trees. How many trees now have this grove?

Correct answer:

a =  780
b =  969
c =  1011

Step-by-step explanation:

n=1200 l=55100 n=55100 1200=660 i=nl=1200660=540  q=35%=35100=0.35  a=nq n=12000.35 1200=780
b=nq l=12000.35 660=969
c=nq i=12000.35 540=1011



Did you find an error or inaccuracy? Feel free to write us. Thank you!



avatar




Tips to related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.

You need to know the following knowledge to solve this word math problem:

Related math problems and questions:

  • Divisible by 5
    175px-5th_MarDiv How many three-digit odd numbers divisible by 5, which are in place ten's number 3?
  • Pine
    trees How much of a mixed forest rangers want to cut down, if their head said: "We only cut down pine trees, which in our mixed forest 98%. After cut pine trees constitute 94% of all trees left."
  • In the cinema
    okuliare There were 560 people in the cinema. 35% of them wore glasses. Of this number, 25% were women. How many men wore glasses?
  • Perctentages
    percent 35% of what number is 35?
  • Above 100%
    percent Find 340 percent of the numbers 45 and 55.
  • Cost reduction
    mp3 Two MP3 players whose price was equal to originally have been discounted the first by 20%, the second by 35%. After the price reduction was the difference in their prices 750, - CZK. What was the original price of each of the two players?
  • Pupils
    skola There are 350 girls in the school, and the other 30% of the total number of pupils are boys. How many pupils does the school have?
  • Orchard
    hrusky Three-fifths of the orchard are apple trees, one-third of the trees are cherries. The remaining 5 trees are pears. How many trees are in the orchard?
  • Orchard
    jablone One-eighth of the trees in the fruit plant in winter froze and one-twelfth of damaged disease and pests. Healthy trees remained 152. Is it enough to supply 35 trees to restore the original number of trees in the orchard?
  • Trees
    trees Loggers wanted to seed more than 700 and less than 800 trees. If they seed in rows of 37, left them 8 trees. If they seed in rows of 43, left the 11 trees. How many trees must seed ?
  • Collecting
    papir For the first week of material collection events are picked up at the school 850 kg of paper and 305 kg of rags which represented 55% of total collection for 14 days. How many kilograms of secondary raw materials were handed over totally?
  • Training
    tenis The table contains tennis training schedule for Saturday's younger students during the winter indoor season. Before the start of the summer season is preparing a new training schedule. Tomas Kucera will be able to practice only in the morning, sisters Kov
  • Two workers
    safarik_stu Two workers make 138 parts/items. The first one produces 30% more than the second. How many items will each produce?
  • Workers
    work 9 workers dig a canal 120 meters long for eight hours. For how long would be dig five workers canal 200 meters long?
  • Resort
    rekreace In a completely crowded resort was 30% from the Czech Republic quarter visitors were from Slovakia and the rest 135 came from Germany. What capacity have resort?
  • The rod
    pascolour The rod is painted in four colors. 55% of the bar is painted in blue, green 0.2 of the rod, 1/8 is brown, and the remaining 45 cm of white. How long is the rod?
  • Magic number
    prof_einstein The number 135 split to two addends so that one addend was 30 greater than 2/5 the addend.