Ratio + simple proportion - practice problems - page 4 of 6
Number of problems found: 120
- Two villages
On the map with a scale of 1:40000 are drawn two villages actually 16 km away. What is their distance on the map? - Rectangle 12081
On a plan with a scale of 1:8000, the ski slope has 12 cm and 0.5 cm lengths. What is the actual piste area in ares? - Painters
Ten painters will paint the school in 20 days. How many days do four painters paint the school at the same pace of work? - Proportion 3
For every eight mango trees in the orchard, there are 4-star apple trees. If there are 1320 trees, how many trees of each kind are there?
- The cone
The cone has a base radius of 12 cm and a height of 20 cm. It was truncated at 6 cm from the base. We created a truncated cone - frustum. Find the radius of the base of the truncated cone. - Tourist
A tourist walked an average speed of 3.5 km/h route in 6 hours. Calculate how many hours he would have passed at an average speed of 5.5 km/h. - Cook on gas
The gas cylinder will last 30 weekends for 2 hours of daily cooking. How many days will we be able to cook on a new cylinder when we cook for 3 hours a day? - Six percents
6% of the base is 21. How much is 28% of this base? - The work
The work was to be done by 150 workers. At the beginning of their work, The company reduced their number by 40, which increased the work time by 5 and 1/3 of the schedule. How long did the work take?
- Meeting 8082
George makes steps 60 cm long. He will take 1530 steps on the way to school. How many steps will his father take to the class meeting if he makes steps 85 cm long? - Twenty-four 8069
Twenty-four combers combed the hop garden in 6.5 days. How many combers would have to work on combing the hop garden in 5 days? - Ten cashiers
Ten cashiers are open at Tesco. Customers wait an average of 15 minutes. How many other cashiers have to open to reduce the waiting time by 4 minutes? - Five mechanics
Five mechanics will make a car for some time. How many cars can 30 mechanics produce at the same time? - Sugar production
From 1 ton of beet, 150 kg of sugar is produced. 450 kg of lime is consumed to clean 1 ton of sugar. Calculate how many kgs of lime are consumed when processing 1 ton of sugar beet.
- Bicycle gear
The pedal bicycle wheel has 56 teeth and a rear 20-gear tooth. How many times does the bicycle wheel turn when you make 20 turns of the pedal wheel? - Apples
The school kitchen bought 36 kg apples for 12 CZK/kg. How many kilograms of apples 1/4 cheaper can they buy for the same money? - Supermarket
In a local supermarket, 3/5 kilograms of octopus cost 156.00. How much do 4 kilograms of octopus cost? - Gold inheritance
The king divided the inheritance with his three sons in 7:6:4. Two of them received 286,000 gold. How much does each of the sons get? - Reading every day
Alena calculated that reading ten pages of the book every day would take her 18 days. However, a week later, she decided to read 11 pages every day. How many days did it take her to read the book?
Specify x - the number of hours if Three part-time workers, 5 hours a day, plant 900 trees. How many hours a day do two part-time workers have to work to plant 480 trees?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
