Ratio - practice for 12 year olds - page 6 of 29
Number of problems found: 561
- Chocolate to sweets
I have 30 basket sweets and 15 chocolate in a basket. If you take five sweets out of the basket, what is the ratio in the simplest form of the chocolate to the number of sweets left in the basket? - Big school kitchen
Suppose 250 learners can be fed by 75kg. How many kg can 600 learners be fed? - Dinner tickets
At the spring festival, 7 out of the first 25 attendees had pre-purchased their dinner tickets. Based on this information, if 600 people attended the spring festival, then how many attendees could be expected to have pre-purchased their dinner tickets? - White and blue - Anna
Anna used 8.1 pints of white and blue paint to paint her bedroom walls. Four-fifths of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use? Express your answer in fraction and decimal form. Solve on paper. - Translate
Translate the following mathematical statement into an algebraic expression or equation. 1. Nine less than the quotient of a number and 3 2. The ratio of 3 and the sum of 4 and an unknown number 3. Eighty is the product of 4 and g 4. The sum of x and 18 i - An amusement
An amusement park sold 40 child tickets. The other ten tickets it sold were adult tickets. What is the ratio of the number of adult tickets to the number of child tickets? Write your answer as two numbers separated by a colon (for example, 2:3). - Cylinder-shaped 47311
Forty-eight liters of water are now in the vertical cylinder-shaped water tank. The water reaches a height of 27 cm. after an all-day downpour, water reaches a height of 72 cm. How much water will there be in the tank? - Difference 46651
Find the product of the ratio and the difference between the numbers 16/3 and 3.2 - An architect 2
An architect is designing a house. He wants the bedroom to have the dimensions of 8 ft by 4 ft by 7 ft. The architect doubles all three dimensions to create the den. Does that mean the den will have double the volume of the bedroom? First, find the volume - Instructions 46331
According to the instructions, you need to add two and a half scoops of ecological cleaning agent to 10 liters of water. The measuring cup is a cap with a volume of 50 ml. Determine the ratio in which this agent is mixed with water - Ratio to total
7:12 is the ratio of orchids to tulips. What is the ratio of the number of orchids to the total number of flowers in the garden? - Original 45871
Resize the square to 7:3. The original size is 39cm. What is the size of the square after the change? - Passengers 45501
During the rescue of the sinking ship, the passengers were divided into three boats in a ratio of 3:4:5. There were 15 passengers in the first boat. How many passengers were rescued together? - Forty
Forty-five of the 80 students were girls. What is the ratio of girls to boys? - Divide 44261
Divide the number 20 into two parts so that the first part is four times larger than the second. What is the ratio? - Scale of voltmeter
Which scale division (scale has 100 divisions) must the voltmeter hand point at a measuring range of 300V if we want to measure a voltage of 100V? - Efficient 43461
Four workers were supposed to build 200m of the fence in 15 days. However, after 3 days, two more workers came to their aid. All workers were equally efficient. Calculate how many meters of the fence (from the original 200m) remained after the first 3 day - Machineries 42441
Eighty machines weighing 18 kg were loaded per car. How many machines weighing 15 kg will one car take? If the total load mass is to be the same. - The kennel
20 dogs. The ratio of dogs to cats is 3:2 . How many cats? - Carla 2
Carla is renting a canoe. It costs $80 for 2 hours and $110 for 4 hours. What is the rate of change for this situation?
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