Division + direct relationship - practice problems - page 3 of 4
Number of problems found: 73
- Car model
The car model is 52 mm long, and the real car is 4524 mm long. What was the scale of the model car? - Scale of the map
Determine the map's scale, which is the actual distance of 120 km l represented by a segment long 6 cm. - Apples
Mr. Vesely gives the market his own 48 kg of apples, 40 kg from Mr. Kovar, and 72 kg from Mr. Novak. They earned a total of 1,920 CZK. How must we divide income money for apples? - A family
A family of four pays for garbage collection per the year 1800 Kč. How many crowns a year does the waste company get from the house where live 93 people live?
- Salt
One ton of seawater contains 25 kg of salt. How many tons of seawater must be evaporated to obtain 2 q of salt? - Ratio three numbers
Three numbers SUV are in the ratio 2:3:4. Their sum is 90. Find these numbers and write their add and sum. - Division
Three siblings, Helena, Oliver, and George, split the bag with candies on merit in the ratio 6:1:4. How many candies should each get if in the bag were 88? - Metallurgical enterprise
Metallurgical company daily produces 318 tons of cast iron. How many tons of coke does it burns to melt cast iron when 10 tons of cast consumes 6 tons of coke? - Accidents
The count of accidents in 1995 caused 8780 women, which is 8.4%. How many men caused the accidents?
- Car range
Calculate the maximum range of cars, if you can spend 10 euros, the diesel price is 1.55 Eur/l, and car consumption is 3 l/100 km. - Mailbox
Mailbox is opening at regular intervals 3 times a day. The first time is opened at 8:00 and the last at 19:00. Calculate the hours when the mailbox is opened during the day. - Medicament
Many manufacturers produce the same type of medicament in various packages with different content of active substances. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 31.5 Eur. Pack 2: includes 100 tablets of 1200 mg of active subst - 100 %
How much is 100% if 82 % is 77? - Coke
One ton of coal is produced 772 kg of coke for iron production. How many wagons of coal by 13 tonnes per day is needed for the blast furnace, which has a daily consumption of 1020 tons of coke?
- Math test
In 6A class are 32 students, and the teacher managed to give tests to 12 students. 12 testes he gave in 12 min. How many pupils still haven't tested? How long will it take the teacher to give tests to 29 students? - Negative percentage
In 2006, the company had a loss of 11100 Euros. Two years later, he was already in profit 50000 Eur. Calculate what percentage of the company increased profits in these two years. - Forestry workers
56 laborers have employed planted trees in the forest. For 8 hour work, a day would end job in 37 days. After 16 days, 9 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 10 hours a day? - Bonus
The gross wage was 1323 USD, including the 25% bonus. How many USD were bonuses? - Scale
The swimming pool is long 110 m and 30 m wide. The city's plan is shown as a rectangle with an area 8.25 cm². What scale is the city plan?
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