Algebra - math word problems - page 235 of 312
Number of problems found: 6224
- Grass Mixture
Peter plans to buy a grass seed mixture consisting of meadow grass and fescue seeds for 40 euros total. 1 kg of meadow grass costs 6 euros and 1 kg of fescue costs 10 euros. How much of each should he buy if the resulting mixture is to weigh 6 kg? - Calorimetric equation
A 200 g aluminium cylinder at 180 °C was dropped into 3 kg of water at 25 °C. At what temperature did the mixture stabilise? The specific heat capacity of water is 4,200 J/(kg·°C) and of aluminium is 896 J/(kg·°C). - Car pursuit minutes
Fifteen kilometers in front of us, a car travels at a speed of 70 km/h. We drive at an average speed of 100 km/h. How many minutes will it take us to catch up with the car? - Gardening
In the allotment garden, Mr. Strawberry had 16 litres of water in his barrel. His neighbour Mr. Malina had three times more water in his barrel than Mr. Strawberry. It then started to rain, and the same amount of rainwater fell into both barrels. After th - Tourist distance time
The tourist walked 1/4 of the way at a speed of 4.5 km/h, 2/5 at a speed of 4 km/h, and the remaining 7 km at a speed of 5 km/h. How many kilometers did he run, and how long did the journey take him? Calculate the time in a fraction. - Cyclist peloton speed
The front of the cycling peloton travels at an average speed of 48 km/h. The cyclist with the green T-shirt lost 5 minutes when he fell. What speed must he drive if he wants to reach the front of the peloton in twenty minutes? Possible? - Train pursuit meeting
A train travels at a speed of 50 km/h from city A. In 15 minutes, a second train follows him at 20 m/s. We are sitting on the first train. When will the second train catch up with the first? - Brian 2
Brian and Jake left their homes 500 miles apart and drove straight toward each other. It took 4 hours for the two to meet if Jake's speed was 15 mph slower than Brian's. What was Brian's speed? - The car
The car weight 1280 kg and increased its speed from 7.3 m/s to 63 km/h on a track of 37.2 m. What force did the car engine have to exert? - Bike meeting
John and William agreed that on Saturday at 7:00 AM, they would go on a trip on their bikes. John fell asleep and started an hour later. When and where will the friends meet? We know that William walked at an average speed of 15 km/h and John at 25 km/h. - Cheetah antelope pursuit
The antelope was 100 m away from the cheetah. The moment the cheetah started running, antelope took off running. The cheetah ran at an average speed of 1200 m per minute, and the antelope 700 m per min. In how many seconds was the cheetah able to catch up - Average speed
The average speed of a good cyclist is 30 km/h. The average speed of the less able is 20 km/h. They both set off on the same route at the same time. A good cyclist drove it 2 hours earlier. How long was the route? - Ship meeting equation
2 ships sail simultaneously towards each other from places 2340 m apart. I sail both ships at a constant speed. The first boat travels 56 m per minute, and the second 74 m per minute. Create an equation that corresponds to the assignment of the task if th - Express train meeting
At 8:00 a.m., an express train left Bratislava for Poprad, which was 340 km away. At the same time, an express train left Poprad for Bratislava. The express train to Bratislava went at a speed of 80 km/h, and the express train to Poprad went at a speed of - Two ports
From port A on the river, the steamer started at an average 12 km/h speed towards port B. Two hours later, another steamer departed from A at an average speed of 20 km/h. Both ships arrived in B at the same time. What is the distance between ports A and B - Two Trains Meeting Time Distance
A train travels from station A to station B at a speed of 90 km/h. Another train travels from station B to station A at a speed of 45 km/h. The distance between the stations is 60 km. They leave at the same time. How long will they meet and at which kilom - Bicycle race route
The bicycle race route rises for two-fifths of its length, descends for three-eighths, and is flat for the rest. If the length of the uphill section is 4 km longer than the length of the downhill section, how long is the race route? a) 160 km b) 100 km c) - Cyclist catches pedestrian A pedestrian left town S at a speed of 4.2 km/h. After 1 hour and 10 minutes, a cyclist left the same city and in the same direction at a speed of 18 km/h. After how many minutes does the cyclist catch up with the pedestrian, and how far from town S?
- Sowing equipment
Farmer Jadrný sowed wheat in autumn with a large sowing equipment and rye with a small sowing equipment. The area of all fields sown with wheat in 7.5 h was twice as large as the area of all fields sown with rye in 6 h. The sum of the areas of all fields - Three-Day Hike Distances
Jonas and Victor went on a three-day hike starting Friday. On the first day, they covered a fifth of the total route. On Saturday, they covered three-quarters of the remaining distance, and had 20 km left for Sunday. What percentage of the total route did
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