Direct proportionality - math word problems - page 11 of 38
Number of problems found: 741
- Apple purchase calculation
In the autumn, the school canteen bought 50 kg of apples for 12 CZK. If the apples already cost 20 CZK, how many kilograms of apples could they buy before Christmas for the same amount? - A family
A family of four consumes 220 liters of water a day. How many hectoliters of water are consumed by 68 tenants per day? - Reading
If I read 15 pages a day, I will read the whole book in 18 days. How long will it take to read a book if I only read nine pages every day? - Tennis balls
A can of tennis balls contains three balls per can and costs $7. How much will it cost for 36 tennis balls? - Car travel time
The car will travel 73 km in 1 hour. How long will it take to travel 94 km? - Coins
The money - -coins are minted from the hardest bronze, which contains copper and tin in a ratio of 41:9. How much copper and tin are in 2 kg of bronze money? - Shoemaker
Both the shoemaker and his apprentice repaired his shoes. The apprentice worked for six days and repaired ten pairs of shoes daily. The shoemaker did the same job for four days. How many pairs of shoes did the shoemaker repair per day? - Seamstress suit time
Six seamstresses sew five suits in 3 days. How long before four seamstresses sew eight suits? - Coils of transformer
The primary coil of the transformer has 400 turns. A current of 1.5 A passes through it and is connected to a voltage of 220 V. For the secondary coil, find the voltage, current, and number of turns if the transformation ratio k = 0.1. - Cheese milk calculation
The shepherd obtained 2 kg of cheese from 20 liters of milk in the mountain hut. How many grams of cheese can it make from 15 liters of milk? - Book reading
Suzan reads a book. If she read half an hour a day, she would read it in nine days. How many minutes does she have to read per day if she wants to finish three days earlier? - Right triangle - ratio
The lengths of the legs of the right triangle ABC are in ratio b = 2:3. The hypotenuse is 10 cm long. Calculate the lengths of the legs of that triangle. - Six workers
Six workers earned a total of CZK 12,600 per week on the construction site (5 working days). How much do seven workers earn in 10 days with the same daily average salary? - The observer - trees
The observer sees the tops of two trees at the same angle α. It is 9 m from one tree and 21 m from the other. The trees stand on a level. How tall is the second tree if the height of the first is 6 m? Remember that the eyes of a standing person are approx - Five combers
Five combers harvest 12 rows of strawberries in 4 hours. How many rows of strawberries will two combers harvest in 10 hours? - Apple slice ingredients
Dahlia cooks with her mother's apple slices. They mixed flour, sugar, and butter in a ratio of 10:3:2. How many grams of sugar and butter did they put in half a kilogram of flour? - Cable car
The cable car will carry 1280 passengers in 40 minutes. How many people will be transported in 2.5 hours? - Brass
Brass is an alloy of copper and zinc in a ratio of 3:2. How many grams does a component that requires 270 g of copper weigh? - Garden perimeter
The rectangular garden on the 1:1000 scale plan is 10 cm by 15 cm. What is the perimeter of the garden? - Driving distance
We drove 336 km in 4 hours. How many km would we drive at the same speed in 5 hours?
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