Direct proportionality - math word problems - page 35 of 38
Number of problems found: 741
- Accidents
The count of accidents in 1991 caused 8444 women, which is 9%. How many men caused the accidents? - Diplomas
Zuzaně helped write out diplomas. Issuance first took 3.3 minutes, each next 2.3 minutes. How much time will it take to write out n=7 diplomas (including the first) at this pace? - Linear independence
Determine if vectors u=(-4; -10) and v=(-2; -7) are linear dependents. - Car range
Calculate the maximum range of a car if you can spend 5 euros, diesel costs 1.6 EUR/l, and the car's fuel consumption is 5.4 l/100 km. - Train and car
The train and the car started at a constant speed. When the train travels 87 km, the car travels 97 km. How many km does the train travel when the car travels 87 km? - Mine
In the mine, at depth 18 m is 12°C, and every 50 m, the temperature increases by 1°C. What is the temperature at a depth of 1615 m? - Road repair
Road repair took 13 days for 39 workers if they worked 5 hours a day. How many days take to repair the same road 24 workers if they work 7 per day? - Saving
Gejza save € 1470 to buy a car. Yet it lacks save 45% of the car price. How much is the car? - Mailbox
A mailbox is opened at regular intervals 5 times a day. It is first opened at 9:00 and last at 17:00. Calculate the times at which the mailbox is opened during the day. - Medicament
Many manufacturers produce the same type of medicament in various packages with different active substance content. 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 substance - 100 %
How much is 100% if 82 % is 77? - Coke
From one tonne of coal, 787 kg of coke for iron production is obtained. How many wagons, each carrying 28 tonnes of coal per day, are needed to supply a blast furnace with a daily consumption of 986 tonnes of coke? - Math test
There are 32 students in the 6 A class, 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? - Square
If we increase the side of the square, increase its area of 50%. What is the percentage we increase the side of the square? - Map
On a tourist map with a scale of 1:100000 is the distance between two points along a straight road 8.9 cm. How long travels this distance on a bike at 25 km/h? Time express in minutes. - Negative percentage
In 2006, the company had a loss of 11100 Euros. Two years later, he was already in profit 50000 Eur. Calculate the percentage of the company's profits that increased in these two years. - Forestry workers
84 laborers have been employed to plant trees in the forest. For 9 hour work a day, they would end job in 38 days. After 18 days, 6 laborers leave. How many days are needed to complete planting trees in nurseries by others if they work 12 hours a day? - Excavation
Mr. Vendelín calculated that excavation for a water connection digs for 10 days. His friend would take 10 days. Vendelín worked 3 days alone. Then his friend came to help and started on the other end. On what day since the beginning of the excavation they - Bonus
The gross wage was 1222 EUR, including the 14% bonus. How many EUR were bonuses? - Scale
The swimming pool is long 50 m and 30 m wide. The city's plan is shown as a rectangle with an area 2.4 cm². What scale is the city plan?
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