Math practice for 13 year olds - page 108 of 421
Number of problems found: 8406
- Two teacher
Two teachers are paid 3,000 pesos. If the teachers are to share this amount in the ratio of 3:5, how much does each receive? - Madam 2
Madam Lowa bought four cakes and four puffs for $16. Each cake costs $0.50 more than each puff. How much did one puff cost? - Average spending
If Rina's cell phone bills for the past five months have been $91, $69, $74, $56, and $70, what was her average cell phone bill for the past five months? - Mis Harding
Mis Harding will change her tiles; the yards are 2 1/2 yards and 2 1/2 yards on the side. What is her area A 6 1/4 B 4 1/2 C 8 1/2 D 5 1/4 - Tickets 11
There are 72 tickets to be shared and divided between Section X and Section Y in the ratio of 4:5. How many tickets will Section Y receive? - 13680m2 70374
Eight painters painted an area of 15200 m² in 5 days. How many painters will paint a room of 13680 m² in 3 days? - Dimensions 70354
The cylinder's volume is 5l, and its height is equal to half the diameter of the base. Find the dimensions of the cylinder. - Improvements 70344
Two workers work equally efficiently and together can complete a given task in 5 hours. One worker improved his machine, changed his workflow, and increased his output by 40%. How long will it take both workers to complete the given task? - Degrees 70334
What is the height of a diamond with a side 6 cm long if the angle formed by the sides is 78 degrees and 10 '? - Performance 70314
Of the 17-member team, two workers fell ill. By what percentage do others have to increase their performance to do at least as much as when the team is working in full force? - Rectangles 70304
How many rectangles with side lengths expressed in natural numbers have an area of 96 cm²? - Circumference 70284
What part of the circle's circumference will the minute hand pass in 15 minutes? - Directions 70274
Two runners train on a circular track that is 375 m long. When they start from the same place and run in opposite directions, they meet in 30 seconds. When they run in the same direction, they are 15 m apart in 30 seconds. What is the average speed of eac - A cyclist
A cyclist rides for 30 minutes on a style road to the top of a mountain. Down there, the road goes downhill. Its uphill speed is 20km/h and 60km/h downhill. The distance from the mountain's summit to its destination is 30 km. Calculate the average speed o - Distribute 70244
We have to distribute the keys to the safe among four people so that no two of them can open the safe but in such a way that any three can open the safe. How many minimum keys do we need? How to divide them? How many minimum locks must be on the safe? All - Huddersfield 70164
Prague's direct distance to Huddersfield (United Kingdom) is 1680km. What is the map's scale, at which this distance is 84 cm? - Street 70104
What length will the 120 m long street have on the plan at a scale of 1:1500? - Expressed 70094
The air distance between the cottages on the same shore of the lake, 2.7 km, is the distance expressed by a line length of 36 mm. Find the scale of the map. - Distance 70084
On a tourist map with a scale of 1:50 000, the distance between Štrbské Pleso and Štrba is 14 cm. What is the actual distance? - Sidewalk 70074
The sidewalk is 500m long. How will it be marked on the plan on a scale of 1:200?
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