System of equations - math word problems - page 81 of 110
Number of problems found: 2182
- Train meeting
It is 250 km from Prague to Olomouc. At 6 o'clock, a train left Prague for Olomouc at a speed of 85 km/h. At that exact moment, a train from Olomouc left opposite him at 65 km/h. What time do the trains meet? - Concentration - salt solution
We added 300 g of water to 400 g of salt solution, reducing the solution's concentration by 5%. How much water did the original solution contain, and what was its concentration? - Material transport
Two trucks were supposed to load the building materials in 10 days. After 6 days of work, the first car broke down, and the second one carried building materials for another 9 days. How many days would the first and second cars take the building materials - Family
The son is 3/5 smaller than the mother, who is 99 cm higher than the son. Thus, the mother is 3/5 taller than the son. - Car overtaking
The car moved out of place at a speed of 60 km/h in 1.5 hours. The second car moved at a speed of 80 km/h. How long will it take to catch the first car, and how many kilometers will it drive? - Two Gardens
Uncle Ferda had two gardens: the carrot garden was square-shaped, and the strawberry garden was rectangular. The width of the strawberry garden was three times smaller than the width of the carrot garden, and the length of the strawberry garden was 8 metr - Hostel people
The hostel has 90 people; There are three times more boys than girls, and there are 70 fewer teachers than boys and girls together. How many teachers are there? - Coffee blend
From two types of coffee priced at 450 CZK/kg and 730 CZK/kg, 20 kg of a blend priced at 520 CZK/kg is to be prepared. How many kilograms of each type of coffee are needed? - Collecting day
On collecting day at school, pupils of three classes took 1063 kg of paper. Class B collected half more than A-Class and class C 55 kg more than B. How many kilograms of paper were collected in each class? - Plane and helicopter
From two airports, a plane and a helicopter took off at the same time. The helicopter was flying to the airport from which the plane took off, the plane to the airport from which the helicopter took off. When they passed each other, the helicopter had flo - Two trucks Two trucks left cities A and B against each other and met after an hour. The first car came to B 27 minutes later than the second car to A. Calculate the car speed if the distance between cities A and B is 90 km.
- Coal consumption
The locomotive consumes 22 kg of coal when climbing per kilometer. It consumes 10 kg when descending or driving on a flat surface per one kilometer. The line is 62 km long, and coal consumption on this line was 800 kg. How many km of the climb was there o - Age puzzle
If we add the age of a man and a woman, we get the sum of 91. He is now twice as much. How old was she when he was as old as she was now? - Clothing cost
He bought a T-shirt, a tie, and a shirt. The tie was three times cheaper than the shirt, and the T-shirt was 70 CZK more expensive than the tie. He paid a total of 470 CZK. How much did he pay for a tie, a T-shirt, and a shirt? - Orchard trees
A total of 18 pears and apple trees grow in the orchard. Pears are two times less than apple trees. How many pears and how many apples? - A ball
A ball and a plush toy cost 32.80 euros. How much does a ball cost if it is € 9.50 cheaper than a toy? - Two numbers
I think two numbers. Their sum is 36, and their difference is 14. What are the numbers? - Pencils and sharpeners
Paul bought three pencils and a sharpener in a stationery store and paid 29 CZK. Jane ordered two pencils and two sharpeners, and her purchase price was CZK 46. How much cheaper is a pencil than a sharpener? - Vineyard
While visiting a winery, the family bought a total of 32 liters of wine in bottles of 0.7 liters and 1 liter. The ratio of the number of larger bottles to smaller bottles is 9:10. The price of a smaller bottle of wine was 120 CZK and a larger bottle was 1 - Container weight
The weight of the water container is 2.48 kg. If we pour 75% of the water, the container with water weighs 0.98 kg. Find the weight of the empty container. How much water was originally in the container?
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