Work + time - practice problems
Number of problems found: 612
- 20 men
20 men are supposed to complete a work in 10 days. After working for 5 days, they realize that only one-fourth of the work is done. How many more men they need to employ to complete the work on time? - Taps and a tank
A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely? - Manday, manhour
Job problem: 10 men can make 20 toys in 12 days working 12 hours a day.Then, in how many days can 24 persons make 32 toys working 16 hours a day? - An electrician 6
An electrician can wire 4 1/2 rooms in 3 hours. How long does it take him to wire each room?
- Painting a room
If 1 person can paint a room in 6 hrs, how many hours will 3 people finish painting the room? - Working together
Zeru can complete a certain job in 5 days, and Tulu can complete the same job in 3 days. How long will they complete the job if they work together? - Tadeo
Tadeo volunteered at the library 6 times as many hours over the weekend as Dylan. Together, they volunteered a total of 14 hours. How many hours did each person volunteer over the weekend? Write a system of equations that represents the situation. Let x r - Kevin 3
Kevin makes a list of the tasks he has to do after school and how long it will take him to do each task. Task Time; (hours) Read ; 1/3 Do homework ; 3/4 Play soccer ; 4/6 Practice piano ; 1/2 How long will it take Kevin to complete all of his tasks? Show - 3 men
Three men painting a house take 7 1/2 days. How long will 5 men take over the same job? Working at the same rate.
- Workers
Suppose John starts work at 8:45 AM and finishes at 5:15 PM. He has 90 minutes of breaks. How many hours does he work in 5 days? - Sophie 2
Sophie earns $12.80 per hour babysitting. She has to repay a loan to her parents in the amount of $100. After repaying the loan, she wants to have at least enough money to buy herself a pair of sneakers costing $130.40. Write an inequality modeling the nu - Peter 13
Peter and Paul finished the first round of orders in 3 hours and 15 minutes. Peter, however, works a lot faster than Paul does; Peter is 2 and a half times as fast as Paul. For the second day of shipping orders, peter is unavailable; paul will have to do - A stock
A stock of food is enough to feed 50 people for 14 days. How many days will the food last if 20 more people are added? - One weekend
One weekend, Raul worked 5 ¾ hours on Saturday and 2 ⅔ hours on Sunday. How many hours did Raul work that weekend? Tips: a. What is asked? b. What is given? c. What operation should be used? a. What is the number sentence? b. Show your solution:
- Granddaughters 83342
Granddaughter Mia helped the old for 3 days, Ema for 2 days, and Zoja for 4 days. If the grandmother wants to reward her granddaughters fairly according to how long they have been helping her, in what proportion should she divide the chocolate among her g - Doubravka 83293
Evelyn plows the garden in four hours, while her friend Doubravka can do it in three hours. Evelína started work at 1 p.m., and an hour later, Doubravka joined her so they could go swimming together. Calculate the time the girls can go to the swimming poo - Together 83245
Jarka and Jana decided to decorate their common room. If Jarka painted it alone, it would take her 4 hours, and Jane 3 hours. How long would they paint the room if they painted together? - Families 83209
Coal for 15 families lasts 60 days. How many days will the coal last for 20 families? - Seamstresses 83192
Three sewers sew 7 skirts in 15 hours. How many skirts can 2 seamstresses make in 50 hours?
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