Math practice for 13 year olds - page 257 of 413
Number of problems found: 8260
- In the cinema
There were 560 people in the cinema. 35% of them wore glasses. Of this number, 25% were women. How many men wore glasses? - RT - inscribed circle
In a rectangular triangle with sides lengths> a = 30 cm and b = 12.5 cm, the right angle is at vertex C. Calculate the radius of the inscribed circle. - LCD two fractions
What is the least common denominator of 11/15 and 12/19? - Dice edge size
The dice have a volume of 80 cm³. Calculate the edge size in mm. - On the 4
On the way to play disc golf with his two boys, Mr. Smith purchases three muffins and two water bottles, totaling $9.75. The following week he only had Asher with him, so he bought two muffins and one bottle of water totaling $6.00. What is the cost of on - Midpoint 4
If the midpoint of a segment is (6,3) and the other endpoint is (8,-4), what is the coordinate of the other end? - Coordinates of midpoint
If the midpoint of the segment is (6,3) and the other end is (8,4), what is the coordinate of the other end? - Dirty road
Mr. Smith is on a road trip to a remote disc golf course 180 km away. He travels part of the way at 100 km/h along the highway and part of the way at 50 km/h along dirt roads. If it took 2 hours to get there, how many hours did he spend on dirt roads? - Horse eating days
Each of the six horses ate just 75 days in a hundred days. How many and at least days could be during which at least five horses ate? - Ladder
Adam placed the ladder of the house, the upper end reaching the window at the height of 3.6 m, and the lower end standing on level ground and distant from a wall of 1.5 m. What is the length of the ladder? - Average Speed Walk Hill
The tourist walked on the plain for 2 hours at a speed of 6 km/h. For another hour, he climbed a steep hill at a speed of 3 km/h. What was his average speed? - Father Son Age Now
Now a father is five times as old as a son. In 2 years, the father will be four times as old as the son. How old is Dad, and how many is Son now? - Clock hands intersection
Calculate exactly when the hour and minute hands on the clock intersect. - Donuts
Find how many donuts each student will receive if you share 126 donuts in a ratio of 1:5:8 - Ice Rink Water Volume
The rectangular rink with dimensions of 50 m and 25 m should be covered with a layer of ice 4 cm high. How many liters of water are needed to make ice if the ice volume is 10% greater than the volume of water? - The garden
The garden has the shape of a rectangular trapezium. The bases have lengths of 27 meters and 36 meters, and the trapezoid's height is 12 meters. Calculate how much a fence will cost this garden if one meter costs 1.5 €. - Gold horseshoe
Calculate the volume of a gold horseshoe that weighs 750 g. - Fraction multiplication puzzle
Which fraction number must be multiplied by 40 to get a 6% smaller number? - Cinema women percentage
There are 1.5 times more women in the cinema than men. What percentage of women are in the cinema? - Motorcyclist
From Trutnov, the motorcyclist started at an average speed of 60 km/hour. At 12.30hrs, Peter began driving the passenger car at 80 km/hour. How many hours and at what distance will a car catch a motorcycle from Trutnov?
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