Algebra - math word problems - page 258 of 312
Number of problems found: 6224
- Sprayers
The vineyard can be sprayed first sprayer in 4 hours and with the second in 6 hours. How long would it take if we used sprayers both at once? - Two wine
In the ratio of 2:1, mixed wine solution cost 4.4 USD. In the ratio of 1:2, mixed wine solution costs 4.8 USD. How much does a liter of each wine cost? - Aluminum plate forces
An aluminum plate with a volume of 200 cm³ sinks in water. Determine the gravitational force exerted by the Earth on the plate. Determine the buoyant force that acts on a plate immersed in water. Compare the magnitudes of these forces and justify whether - Raffle
In the pool number from 1 to 109. What is the probability that a randomly selected number is not prime? - 2nd class variations
From how many elements can you create 5112 variations of the second class? - Mean
The mean of 50 items for a student's food is 38.6. When checking the work, he found that he had taken one item as 50 to read as 40 correctly in these circumstances. What should the correct arithmetic mean? - Coach
The average age of 24 players and a coach of one team is 24 years. The average age of players without a coach is 23 years. How old is the coach? - Cottages
The summer camp has 41 cottages. Each has rooms for three and four. How many of the 140 campers live on three? - Variation equation
Solve the equation: V (2, x + 2) = 90 - 24carat gold
The goldsmith cast 22-carat gold and 14-carat gold and earned 20 dkg of 18-carat gold. How much gold did he use? - Conductor charge transfer
Conductor A has an electrical potential of +140 V concerning the Earth; conductor B has a potential of -60 V. How much electric charge will we transfer from wire B to wire A if we do the work of 4.10-4 Joules? - Sailor food supply
Food for 56 sailors would last 32 days. How long did the food supplies last the expedition if 14 castaways were taken on board after 12 days of sailing? - Mason house addition
8 masons build a house in 630 days. How many masons must we add after 150 days to complete the whole house in 320 days? - Kangaroo bunny stair
The kangaroo always jumps three steps up. Each time he jumps, the bunny jumps down two steps. On which stairs will they meet? The kangaroo stands on the 1st step at the beginning and the bunny on the 100th. - Two companies
Two companies completed a job together in 100 days. The first company alone could complete the job in 150 days. How long would the second company take to complete the job alone? - Tributaries
We can fill the pool with two different tributaries. The first inflow would fill the pool in 18 hours and by both in 6 hours. How many hours would the pool fill with a second inflow? - Two workers
The first worker would complete the work in 8 hours, the other in 6 hours. After two hours of joint work, the worker left the first worker to a doctor, and the others completed the work themselves. How many hours worked did the other worker himself? - Renovation Work Time The first company would renovate the complex in 30 hours. Another company would fix it in 20 hours. But the first company left after 5 hours of joint work. How long will it take to renovate the site?
- Two Workshops Joint Work
In one workshop, they will do the given work in 15 days; in another workshop, where more members work, they will do the given work in 10 days. After three days of joint work, only the larger workshop continued the assigned work. In how many days will he f - Triplets
Three years ago, the triplets Pavel, Petr, Luke, and their five-year-old sister Jane had been together for 25 years. How old is Jane today?
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