Equations practice problems - page 167 of 236
Number of problems found: 4717
- Highway
Six trucks will be used to build the roadside for 18 days. After three days, the company sent two more trucks to make. How long will it take for the material to move? - Czech crown salary
The employee's monthly salary is CZK 10,800. In the course of the year, the bulk salary increased by CZK 500. Calculate which employer increased month (1 ... 12) if its annual income was 133,600 CZK. - Prices prices
Factory reduced the meter of the textile by CZK 42, so 4 meters of the new price was 20 CZK cheaper than 3 meters of the original price. What was the original and new price of the textile? - Oil tank and pipes
Two oil pipelines can fill the underground oil tank. The first is filled in 72 hours, and the second in 48 hours. How many hours from when the first pipeline began to fill the oil is necessary to start filling it with the second to fill in 1 and 1/2 days? - Workers 4949
The three workers will dig one big pit in two days. How many workers would dig seven large pits in three days? - Two workers
Two workers make 138 parts/items. The first one produces 30% more than the second. How many items will each produce? - Baker
The baker needs 10 kg of flour to make 12 kg of dough. How much flour does he need to make a 100 kg dough?
- Every day 7 pages
Anelka reads the book seven pages every day. When she reads one more page a day, she will read it three days earlier. How long will Adelka read a book? How much does a book of pages have? - Linear function
What is the equation of linear function passing through points: a) A (0,3), B (3,0) b) C (-2,-6), D (3,4) - Intersection 4925 Determine the intersection of functions. a) y = 2x + 3, y = -x + 4 b) y = 3x + 7, y = -2x-3
- Midnight
How many hours will it be if the time elapses from 8:00 is equal to 2/5 of the time that will pass until midnight? - Distribution 4907
A continuous random variable X is specified: distribution function, specify the parameters a; b so that the function F (x) is continuous and was the distribution function of the random variable X and express f(x). P (X - Immediately 4906
It is Monday at 10 a.m. Luboš has returned from the doctor, who prescribed him tablets: he will take the first one immediately, the next two days he will take them after six hours, and the rest after eight hours. When will Luboš collect all the tablets if - Employees 4901 Of the total number of men, 16% received a bonus, of the total. The number of women received 21%. The company has 1,500 employees, and 18% were awarded bonuses. How many women work in the company? How many men received bonuses? How many company employees
- Increased 4898 The price of flour increased three times in a row by 10% each time. The shop then reduced it by 30%. Now the price of flour is 5.60 CZK. What was the original price?
- Sales of products
For 80 pieces of two quality products, the total sales are 175 Eur. Suppose the first quality product was sold for n EUR per piece (n natural number) and the second quality product after 2 EUR per piece. How many pieces of the first quality were sold? - Championships 4886
The pool had to be filled before the World Championships. The first pump would fill in 12 hours, the second in 15 hours, and if all three pumps were started simultaneously, they would fill the pool in 4 hours. How long would the pool be filled with only t - Two-digit 4883 Dad had 33 bills. One hundred crowns, two hundred and five hundred. A two-digit number gave the number of each species. How many did he have if he had a total of 9100 CZK?
- Five-crowns 4879
Eva had seven coins. Crowns, two-crowns, and five-crowns. At least two of each. How many did she have if she could buy three packs of gum for six crowns? - Weighs 4877
A + B weighs 75 kg, B + C weighs 83 kg, C + D weighs 92 kg. How much does A + D weigh?
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