Algebra - math word problems - page 254 of 304
Number of problems found: 6074
- Six painters
Six painters paint an area of 120 m² in 4 hours. How long does it take for 12 painters to paint 480 m² with the same performance? - Two ships
Two ships sailed from Venice - a cargo speed of 10 knots and a ferry speed of 18 knots. When will the ferry catch up with the cargo ship if it sailed 10 hours later? - Together
Grandfather, father, and son are carpenters. They decided to make a wardrobe. Father produces it for 12 hours, his son for 15 hours, and grandfather for 10 hours. How long will they make it together? - Workers
Four workers plan to work on the gym floor for six hours. After an hour of working together, one of the workers went to the doctor. How long will it take the remaining three workers to finish the job? - Workhorses
A team of colleagues did the work in 20 days. After adding two colleagues from the beginning, the team completed the work in 15 days. How many members has the colleague team? - Hiker
The hiker went on half of the trip on the first day, a third of the trip on the second day, and remains 24 km. How long was the trip he planned? - Closed circuit
There is a voltage source with U1 = 12 V in a closed circuit and with internal resistance, R1 = 0.2 Ω. The external resistance is R2 = 19.8 Ω. Find the electric current and terminal voltage. - The average height
The average height of six friends is 181 cm. Peter came among them, which reduced the average height by 2 cm. Calculate Peter's height. - Bonuses
Five company employees were paid bonuses, so each successor received 550 USD less than the previous employee. If a total of USD 11,000 was paid, how much did everyone get? - Combinations 16283
How many elements is it possible to form twice as many second-class combinations as a fourth-class combination? - Combinations 16213
From how many elements is it possible to create 120 second-class combinations? - Variations 4/2
Determine the number of items when the count of variations of the fourth class without repeating is 5112 times larger than the count of variations of the second class without repetition. - Raffle
In the pool number from 1 to 109. What is the probability that a randomly selected number is not prime? - Counterweight 82873
What is the weight of the counterweight of a crane that lifts a 20 t weight? The arm's length is 15 m, and the arm's length with the counterweight is 10 m. Write the answer in tons. - Remaining 82419
Seven pavers would pave the square in 15 shifts. After five shifts, two pavers fell ill. How long will it take for the remaining pavers to finish the job? - Construction 82411
It should have taken four trucks 6 hours and 45 minutes to bring the sand to the construction site. After 90 minutes, one car broke down. How long did it take to transport the remaining sand in three trucks? - Complete 82405
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? - Complete 19783
Two roofers were to cover the roof in 14 days. After five days, they added one roofer. How long will it take them to complete the work? How many days will it take them to cover? - Trains
From station 130 km away started passenger train and after 2.7 hours after the express train, which travels 20 km an hour more. Express train finish journey 12 minutes early. Calculate the average speed of these two trains. - 3 identical tributaries
The pool would fill with three identical tributaries in 52 hours. After 20 hours, two more inlets were added. How many hours did the pool fill up?
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