Equations practice problems - page 65 of 249
Number of problems found: 4965
- Camp cost distribution
The department consists of 80 children and adults. The camp cost them a total of 116,400 CZK. Each child paid 1200 CZK and each adult 1800 CZK. How many adult participants were there, how much did the children pay for the camp, and who paid more money for - Triangle perimeter ratio
The perimeter of triangle ABC is 162 dm. The lengths of its sides are in the ratios a:b = 2:3 and a:c = 8:7. Determine the lengths of the sides of the triangle. - Housing loan interest
How big would the Novak family take out a housing loan if they paid an interest of 5500 euros after the first year and the interest rate of this loan was 5.5% p. and.? - Basketball team
The average height of the basketball team's starting five players is 196 cm. The tallest player is 216 cm tall. What is the average height of the remaining four players in centimetres? - Expression value substitution
Specify the value of the expression, (3x-5) / (2x + 1) if x equals the value that will be in the reader after substitution. - Petra book pages
If Petra read four pages more a day, she would read the book two days earlier than if she read six pages a day. How many pages does the book have? - Trapezoid perimeter base
The isosceles trapezoid ABCD has an area of 36 cm². One of its bases is two times longer than the other. Height is 4 cm. Calculate the perimeter of the trapezoid. - Kangaroo bunny stair
The kangaroo always jumps three steps up. Each time he jumps, the bunny jumps down two steps. On which stairs will they meet? The kangaroo stands on the 1st step at the beginning and the bunny on the 100th. - Number summand ratio
Divide the number 6 into three summands x, y, z so that x: y = 4:3, y: z = 1:2. - Consecutive number middle
There are five consecutive natural numbers. If the middle number is subtracted from the sum of the other four, I get 21. Specify these numbers. - Shoe discount price
They reduced the shoes by CZK 132 to 85% of the original price. How much did they cost before the discount? - Stone vertical throw time
We threw the stone vertically upwards at a speed of v = 15 m/s. How long will it be at a) 10 m, b) 12 m? - Danka Janka age
Dana and Jane are the same age. If one's age were divided by ten and the other's by five, their ages would add up to three years. How old are Jane and Dana? - Apple seller households
The door-to-door seller of domestic apples sold 40% of the apples in the first household, 20% of the rest in the second, and 24 kg in the third. How many kilograms of apples did the seller sell to the first two households together? - Tablet double reduction
The Shop first reduced the tablet price by 10% and later reduced the new price by 20%. What was its original price after the tablet cost € 720 to double the reduction? - Annual interest
If, after a year, at an annual interest rate of 3.8%, Mr. Slovak had 2,076 euros in his account, how many euros did he deposit in the bank? - Triangle perimeter sides
The circumference of the triangle is 125 cm. The shortest side is 12 cm shorter than the longest side. The longest side is 7 cm longer than the middle side. How long is the middle side? - Trapezoid base ratio In an isosceles trapezoid, the base ratio a / c = 9/7, arm b = 10 cm, height v = 8 cm. Calculate the area of the trapezoid in cm².
- Ball pocket probability
There are seven red balls and 13 blue balls in the pocket. How many blue balls do we need to add to the pocket so that the probability of removing the red ball is 0.2? - Harvester harvest time
Six identical harvesters were supposed to work on the harvest for 12 days in the agricultural cooperative. After three days, however, two harvesters left for another team. Find how long the harvest time in the farm cooperative has increased.
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