Math practice for 13 year olds - page 261 of 413
Number of problems found: 8253
- Tickets 4
Stacey is selling tickets to the school play. The tickets are $7 for adults and $5 for children. She sells twice as many adult tickets as children's and brings in a total of $342. How many of each kind of ticket did she sell? - Three brothers
The three brothers have a total of 42 years. Jan is five years younger than Peter, and Peter is two years younger than Michael. How many years has each of them? - Pool Water Height Volume
The pool measures 4 m and 3 m, and 2.5 m. What height does the water in the pool reach if 25 m³ of water has been added? Round the result to centimeters. - Supplementary angles
One of the supplementary angles is larger by 33° than the second one. Calculate the angles sizes. - Athletes
At the stadium, athletes could enter two-steps, three-steps, four-steps, five-steps, and six-steps. There were more than 100 but less than 200. How many athletes were there? - Bus Lines Departure Time
Three different bus lines, 80, 81, and 82, depart from the final station at 5 h 20 min. Line 80 departs every 30 minutes, line 81 every 20 minutes, and line 82 every 40 minutes. What time will they leave again? - Discount
The dress was discounted by CZK 115, which was 12% of the original price. What is the cost of the dress after the discount? - Sugars
In what ratio must two sorts of sugar, costing ; 390 and ; 315 per kg, be mixed to produce a mixture worth ; 369 per kg? - Ping time
Calculate the theoretical ping time between Orlando and Shenzhen, which is 14102 km distant. Ping time measures the round-trip time for small messages sent from the origin to a destination that is echoed back to the source. The name comes from active sona - Progression
-12, 60, -300,1500 need the next 2 numbers of pattern - Summer tires
Three tire servants must change the summer tires on six cars in 2 hours. Mark's replacement would take 4.5 hours, George would do it in 3 hours and 10 minutes, and Johnny in 4 hours. Will they be able to replace all tires at the desired time? - Three Workers Earnings Ratio
Brigadiers Ivan, Lea, and Dano earned a total of 480 €. Ivan made a third of that money. Lea and Dano made the remaining money in a 3:1 ratio. How much € did Leo earn? - Phone plan
Victoria's cell phone plan costs $30.00 a month. How much did Victoria pay per minute if she used 12.5 hours in May? - Quarter circle
What is the radius of a circle inscribed in the quarter circle with a radius of 100 cm? - Square metal sheet
We cut out four squares with a 300 mm side from a square sheet metal plate with a side of 0.7 m. Express the fraction and the percentage of waste from the square metal sheet. - Bricklayer
How much will we pay for a bricklayer laying pavement in a square room with a diagonal of 8 m, if 1 m² of work costs CZK 420? - Water level
How high is the water in the swimming pool with dimensions of 37 m in length and 15 m in width if an inlet valve is opened for 10 hours, flowing 12 liters of water per second? - Equilateral triangle ABC
In the equilateral triangle ABC, K is the center of the AB side, the L point lies on one-third of the BC side near point C, and point M lies on one-third of the side of the AC side closer to point A. Find what part of the ABC triangle contains the triangl - Triangular Prism Volume
A triangular prism has the base of a right triangle with 6 dm and 8 dm legs and a hypotenuse of 10 dm. The height of the prism is 40 dm. What is the volume of a prism? - Workers 9
If two workers fix two windows in an hour, how many windows can 18 workers fix in the same two windows?
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