Algebra - math word problems - page 249 of 312
Number of problems found: 6225
- Fence painting time
A single person would paint a fence in 6 hours with a roller. How long would it take him to paint the wall with a brush if you know that two people, one with a meeting and the other with a roller, were done in 5 hours? - Quarry cleaning time
It takes Matt 12 hours to clear the wreckage, and his friend Kubko only 8 hours. Kubko started cleaning the quarry only after Matt had already been working on the quarry for two hours. When did Matt and Kubek finish cleaning the quarry when Matt started a - Running pursuit
Oldřich ran out of the house at 7.00 at 10 km/h. After 3 minutes, Jerry also ran at 12 km/h. A) what time did Jerry Oldřich finish? B) how many km did each run? - The coal
The coal stock would be enough to heat a larger room for 12 weeks and a smaller one for 18 weeks. It was heated for four weeks in both rooms, then only in the smaller one. Thus, the coal stock was enough for how long? - Tractor plowing calculation
Two tractors are working on plowing the field. If only the first tractor plowed, it would plow the field in 3 hours. The second tractor would plow the field by itself in 6 hours. How long will it take to plow if they work together, but the other starts wo - Father Sons Mowing Time
At six o'clock, the housekeeper will start mowing his lawn, which will take 12 hours. Two sons come to help him in an hour, and they will be together in 3 hours. How much would it take for just two sons to mow the lawn? - Spot Welding Time
The older type of point device performs 50 spot welds in 10 minutes, and the new type has five more welds. In how many hours will the work produce a total of 945 welds? - Two buses
The first bus runs for 15 minutes, and the second bus runs after 21 minutes. Together, they both leave at 7:00 on Monday. When and what day will they meet? - Mercury pressure
At what depth does a hydrostatic compressive force of 3.2 MN acting on an area of 30 m² arise in mercury? (mercury density is 13,500 kg/m2) - Way
If the current way to school were 2 km shorter, then if Milo swiped one-half, he would already have one-quarter of the way to school behind. How long is Milo's route to school? - Blueberries 2
Helen and Martin collected eight liters of blueberries in two hours. How long will Helen take to collect the blueberries alone if we know that she takes 2.5 hours less than Martin? - Cyclist route
The cyclist drove two-fifths of the way on the first day and three-eighths on the second day. He still has 45 km to go to the finish. a) What is the length of the whole trip? b) How many km has he covered? - Workshop shifts
Workshop A can fulfill a specific order in 8 changes, workshop B in 10 modifications. How many shifts will the job be completed if workshop A works on only the first two shifts and both workshops work on the remaining shifts? - School distance
David goes to school by bike and says: "If I go 300 meters further than two-fifths of the way to school, I have just walked one kilometer of the way." How far is David from home to school? - Tank 9
The tank with volume V is filled with one pump for three hours and by the second pump for 5 hours. When both pumps run simultaneously, calculate: a) how much of the total volume of the tank is filled in one hour b) for how long is the tank full - Two friends
Two friends met as a good man perished together for a beer. After recovering the most important topics (politics, women, football ...), one asks: - And how many children do you have? - I have three children. - And how many years have you? A friend already - Worker floor time
Three workers were to lay the parquet floor. If everyone worked alone, the first would finish the job in 30 hours, the second in 24 hours, and the third in 20 hours. How long will they do the floor if they work together? - Three 192
Three separate containers each have one purple marble and two blue marbles. One marble is chosen from each box. Find the probability of selecting a blue marble from each box. - Pablo odd numbers
Pablo has five cards with numbers 0, 1, 6, 7, and 9. How many odd three-digit numbers can he form? - Dice roll probability
What is the probability of a random event A that a) an even number, b) a number divisible by three, c) a number greater than six will fall on the dice roll.
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