Ratio - practice for 13 year olds - page 13 of 40
Number of problems found: 797
- Volleyball 2
In a volleyball game, Michael made four shots in 8 tries. At this rate, how many shots can he make in 12 tries? - Three in ratio
1/8 of the balls in a bag are red, 5/8 are blue, and the rest is green. Find the ratio of red to blue to green balls. - Mushrooms
The ratio of dry matter and water is 1:9 for most mushrooms. Dry matter consists of carbohydrates, proteins, minerals, fat, and water in a ratio of 50:30:8:3:9. How many kilograms of fresh mushrooms need to be processed into a 10 kg package of dried mushr - Mary solved
Mary solved six out of ten problems correctly in mathematics. What is the ratio of the number of correct answers to the number of wrong answers? Show the solution.
- Earnings 2
Trina's paycheck earnings vary directly from the number of hours she works. If she works 19 hours and earns 187.15 pesos, what should she earn if she works 40 hours? - Calculate
Calculate the height of a tree that casts a shadow 22 m long if you know that at the same time, a pillar 2 m high casts a shadow 3 meters long. - Two places
The actual distance between the two places is 105 km. Find the scale of the map on which this distance is marked by a line 1.2 dm long. - Sides in ratio
The sides of the triangle are in a ratio of 2: 6: 5. Find the dimensions of the remaining sides if the longest side is 32 cm. - What is
What is the circumference of an isosceles trapezoid with an area of 106.75 cm²? The lengths of the sides are in the ratio of 1:3:2:1, and the bases are 6.1 cm apart.
- A rectangle 8
A rectangle measuring 6 cm and 4 cm is enlarged by the ratio of 3:1. What is the area of the enlarged rectangle? - Change per hour
On Sunday, the temperature was 63 degrees at 2 PM. The temperature was then 72 degrees at 5 PM. What is the rate of change per hour? - Write 4
Write each ratio as a fraction of whole numbers: a 4.8 to 11.2 6) 2.7 to 0.54 - Sharing money
A certain sum of money is shared in the ratio 2:3:9. If the difference between the first and the second is $40, then the amount of money shared is - Gas prices 2021
According to the SPP price list in 2021, the price of natural gas, together with its supply, is as follows: D1 - we cook. Fix 3.34 euros/month and 0.0479 euros/kWh (1 cubic meter of gas is approximately 10.555 kWh. It is called combustion heat and changes
- Aspect ratio
Determine the length ratio to the width of a picture frame that is 12 3/4 inches long and 8 1/2 inches wide. - Colorado
The state of Colorado has the shape of a rectangle. The map is sold on two posters. The first has 70 cm and 50 cm dimensions on a scale of 1:1,000,000. The second poster has dimensions of 175 cm and 125 cm. What is the scale of the second poster? - Three animals
Ramrao bought a cow, a buffalo, and an ox for a total of Rs 85,000. The ratio of the price of a cow, buffalo, and ox is 4:8:5. What is the price of an ox? - Salami 54461
500 g of salami costs 4.2 euros. How much do we pay for 0.75 kg of salami? - The ratio 4
The ratio of two numbers is 5:4. If 40% of the first number is 12, what will be 50% of the second number?
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