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?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 1 comment:
There is no real answer? ^_^
To solve this example are needed these knowledge from mathematics:
Next similar examples:
In the first round of slalom fell 15% of all competitors and in the second round another 10 racers. Together, 40% of all competitors fell. What was the total number of competitors?
- Cinema tickets
Cinema sold 180 tickets this Thursday, which is 20%. Monday 14%, Tuesday 6%, Wednesday 9%, Friday 24%, Saturday 12%, and Sunday 15%. How many tickets were sold per week?
- Drying herbs
Herbs lose 75% weight By drying. How many fresh herbs do you have to collect if you want to make 1.5 kg of dried herbs?
- Jane class
When asked how many students are in class, Jane said, if we increase the number of students in our class by hundred % and then add half the number of students, we get 100. How many students are in Jane's class?
- Frameworks is bad
Calculate how many percent will increase the length of an HTML document, if any ASCII character unnecessarily encoded as hexadecimal HTML entity composed of six characters (ampersand, grid #, x, two hex digits and the semicolon). Ie. space as:
- The ball
The ball was discounted by 10 percent and then again by 30 percent. How many percent of the original price is now?
The children's competition was attended by 63 girls, which is 30% of all children's participants. How many children attended this competition?
- Fifth of the number
The fifth of the number is by 24 less than that number. What is the number?
- Drying apples
By drying, apples lose 85% of their weight. How many kgs of dried apples do we get from 820 kilograms of fresh?
- Profit gain
If 5% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the cost of the article is:
35% of what number is 35?
Calculate how many % is the number 26.25 less than the number 105.
How many percents is 900 greater than the number 750?
- Reducing number
Reducing the an unknown number by 28.5% we get number 243.1. Determine unknown number.
Cacao contains 34% filling. How many grams of filling are in 130 g cacao.
- Uranium ore
Uranium ore contains 0.2% of pure uranium and pure uranium contains 0.07% of fissile uranium. How many grams of fissile uranium contains 2800 ton of uranium ore?
- Meat loses
Meat loses 18% of its weight by smoking. How much raw meat butcher used to manufacture 35 kilos of smoked?