Unknown number 7
16% of the unknown number is by 21 less than unknown number itself. Determine the natural unknown number.
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:
- Finding the base
Find unknown base of percent: 12.5 percent of what = 16 ?
How many percents is 900 greater than the number 750?
148 is the total number of employees. The conference was attended by 22 employees. How much is it in percent?
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?
- Holidays - on pool
Children's tickets to the swimming pool stands x € for an adult is € 2 more expensive. There was m children in the swimming pool and adults three times less. How many euros make treasurer for pool entry?
- 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:
- Sale discount
The product was discounted so that eight products at a new price cost just as five products at an old price. How many percents is the new price lower than the old price?
- New refrigerator
New refrigerator sells for 1024 USD, Monday will be 25% discount. How much USD will save, and what will be the price?
- Sale off
Product cost 95 euros before sale off. After sale off cost 74 euros and 10 cents. About what percentage of produt became cheaper?
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?
Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase.
- The ball
The ball was discounted by 10 percent and then again by 30 percent. How many percent of the original price is now?
- Sales off
Goods is worth € 70 and the price of goods fell two weeks in a row by 10%. How many % decreased overall?
The children's competition was attended by 63 girls, which is 30% of all children's participants. How many children attended this competition?
Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?
Given 2x =0.125 find the value of x