# Competitors

In the first round of slalom fell 15% of all competitors and in the second round another ten racers. Together, 40% of all competitors fell. What was the total number of competitors?

n =  40

### Step-by-step explanation:

0.15n + 10 = 0.40n

0.15•n + 10 = 0.40•n

0.25n = 10

n = 40

Our simple equation calculator calculates it. Did you find an error or inaccuracy? Feel free to write us. Thank you! Tips to related online calculators
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

## Related math problems and questions:

• Four numbers The first number is 50% second, the second number is 40% third, the third number is 20% of the fourth. The sum is 396. What are the numbers?
• 15% of 15% of the revenue from sales was CZK 24,000 and it had to be written off as sales tax. What was the net profit on sales?
• Energy saving They were released three different, independent inventions saving 20%, 24% and 15% energy. Some considered that while the use of these inventions, the total savings will be 20% + 24% + 15% = 59%. Is this true? How much percent of energy will save all thre
• Sale goods Sale goods were reduced twice. First by 15% and then by another 20% of the new price. What percentage of the original price was the final price?
• Double price reduction The price of TV has been reduced twice. First by 15% and later by another 10% of the reduced price. After this double price reduction, the TV was sold for 8,874 crowns. What was the original price of the TV?
• Unknown number 15% of the unknown number is 18 less than 21% of the same number. What is the unknown number?
• The ratio 4 The ratio of two number is 5:4 if 40% of the first number is 12, what will be 50% of the second number?
• The TV The TV costs CZK 9,999. First, they reduced her price by 15%, then they became more expensive by 15%. How much does television cost now?
• 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?
• 40% volume 40% volume with 104 uph (units per labor hour) 8 people working. What is the volume?
• The encore The rock band had a 15-minute encore at their concert, which accounted for 12% of the total length of the concert. What was the total length of the concert?
• The notebook After rising by 40%, the notebook cost 10.50 euros. How much did this notebook cost if it increased in price by only 20% instead of 40%?
• Bookshelve Bookshelve with an original price of € 200 twice become cheaper. After the second discounted by 15% the price was € 149.60. Determine how much % become cheaper for the first time.
• Ice skates Ice skates were raised twice, the first time by 25%, the second time by 10%. After the second price, their cost was 82.5 euros. What was the original price of skates?
• Lions If 8 lions is 40% how many would 75% be?
• 3 days Worker checked 2,950 products in 3 days. Second day checked 25% more than the first day. The third day 15% more products than the second day. How many products he checked in each day.
• Water tanks A different amount of water is poured into each of the three identical vessels. In the first vessel, water fills 30% of its volume and in the second vessel 40% of its volume. The third container contains 19 liters of water. If we distributed the water fro