Simple proportion - math word problems - page 14 of 15
Number of problems found: 299
- Painting rooms
If Daniel paints for three hours daily, he completes it in 7.5 days. How many hours a day would he have to work to finish the job 1.5 days earlier? - Bonbons
Create a mixture of 50 kg of candy for a price of 700Kč. Candies have prices: 820Kč, 660Kč, and 580Kč. Use cross rule. - Good swimmer
A good swimmer swims 23 m distance with ten shots. How many shots does he swim to an island located at 81 m if he still swims at the same speed? - Sugar
From 3 tons of sugar, beet produced 480 kg of sugar. How many tons of sugar was produced from 17.5 tons of sugar beet?
- Diver and pressure
Determine what pressures are exposed diver without a suit at a depth of 15 meters, with a small space suit at a depth of 25 meters and a massive suit at 70 m in water. - Calculation 3620
The mine foreman calculated that 2 pumps must be in operation for 17.5 hours to drain the tunnel. He wanted to speed up the emptying of the shaft and added 3 more identical pumps. How long will it take to empty the shaft? Please also show your calculation - Pumps
Four identical pumps fill the tank in 40 hours. How many pumps would we have to use if we wanted to save 8 hours? - Weight 3618
Fifty pins with the same weight weigh 4.6 grams. How much do 15 pins weigh? - Switzerland 3584
Zuzka and Hanka used to work in a cherry orchard to earn money for a sightseeing trip to Switzerland. They brushed 15 trees every day and harvested the entire orchard in 10 days. How long would it take them to harvest the entire orchard if they brushed 20
- Discount 3583
The TV cost € 420 after a 9% discount. How much did he cost before the discount? - Proportion
Write the following proportion: Eight is to 64 as to 2 is to x - Department 3500
The city plan has a scale of 1:5 0000, which determines the actual dimensions of a department store that has a length of 18 mm and a width of 25 mm. - Toothpaste 3479
A full tube of toothpaste is enough for one family member for six weeks. How long will three family members last? - Working time
At 10 hours work shift, work is done in 16 days. How many days will the work be done at 8 hours shifts?
- Two-meter 3473
A tree with an unknown height casts a shadow 18 m long at a time, while a two-meter pole casts a shadow of 2.4 m. How tall is the tree? - Evaporating 3472
By evaporating 15 kg of seawater, we get 517.5 g of salt. How much seawater do we need to obtain 3.45 kg of salt? - Apples
A 2 kg of apples costs a certain sum of money. This sum equals the number of kilograms for which we pay 72 CZK. How much is 1 kg of apples? - Loading car
The car was loaded with 78 boxes weighing 19 kg. How many 25kg boxes can it load if the total weight is the same? - The chef
The chef has to prepare 60 hundred-gram portions of roasted pork, and he knows that 1 kg of raw meat loses 150 grams by baking. How many kilograms of meat does he have to start roasting?
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