System of equations - math word problems - page 75 of 103
Number of problems found: 2055
- Antelope 4440
The cheetah began to chase the antelope, and there was a distance of 120 m between them. Although the antelope ran at 72 km/h, the cheetah caught up with it in 12 seconds. How fast was the cheetah running?
- Opposite 4439
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 4419
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?
- Materials 4405
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.
- Kilometers 4391
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?
- Teachers 4379
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?
- Kilograms 4361
From two types of coffee for 450 CZK and 730 CZK per 1 kg, our task is to prepare 20 kg of the blend at a price of 520 CZK per kg. How many kilograms of each type of coffee will be needed to make such a blend?
- 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?
- 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.
- Consumption 4345
The locomotive consumes 22 kg of coal when climbing. It consumes 10 kg when descending and driving on a flat surface. The line is 62 km long, and coal consumption on this line was 800 kg. How many km of the climb was there on the track?
- Woman 4342
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?
- Expensive 4338
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 4337
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?
- Difference 4319
I think two numbers. Their sum is 36, and their difference is 14. What are the numbers?
- Sharpeners 4318
Pavel 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?
- Originally 4292
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?
- Subsequent 4290
The bonuses were paid to four people in sequence, with each subsequent person receiving double what the previous person received. How many crowns in premiums did each person receive, if a total of 2625 CZK was paid for all premiums?
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