If one side of the rectangle is larger 4-times and second 2-times, what percentage increases the area of rectangle?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
Peter demolish box hole in the wall for window frame 147×51 cm. When they came masters fitted frame and window will be found that glass is 13.3 cm from the hole in each direction. Calculate how much percent less light enters the window than hole?
In 7.C clss are 10 girls and 20 boys. Yesterday was missing 20% of girls and 50% boys. What percentage of students missing?
The office was attended by 23 people. 9 of them completed the questionnaire. What is the percentage of all people?
In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class?
I have a box with two hundred pieces of gloves in total, split into ten parcels of twenty pieces, and I sell three parcels. What percent of the total amount I sold?
- New refrigerator
New refrigerator sells for 1024 USD, Monday will be 25% discount. How much USD will save, and what will be the price?
What number is 20 % smaller than the number 198?
- Percentages and numbers
How many percent is number 426 greater than number 71?
148 is the total number of employees. The conference was attended by 22 employees. How much is it in percent?
- Apples 2
James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam?
Iron ore contains 57% iron. How much ore is needed to produce 20 tons of iron?
- Base, percents, value
Base is 344084 which is 100 %. How many percent is 384177?
- Seeds 2
How many seeds germinated from 1000 pcs, when 23% no emergence?
- Sales off
Goods is worth € 70 and the price of goods fell two weeks in a row by 10%. How many % decreased overall?
- The percentages in practice
If every tenth apple on the tree is rotten it can be expressed by percentages: 10% of the apples on the tree is rotten. Tell percent using the following information: a. in June rained 6 days b, increase worker pay 500 euros to 50 euros c, grabbed 21 fro
- Arble bag
A marble bag sold by Rachel's Marble Company contains 5 orange marbles for every 6 green marbles. If a bag has 35 orange marbles, how many green marbles does it contain?
- Ratio v2
Decrease in the ratio 12:16 number 13.2.