Direct relationship + work - math problems

Number of problems found: 57

  • Tmp workers
    Three temporary workers cleaned 60 m of walkway in 5 hours. How many meters of the walkway cleared seven volunteers for eight hours?
  • Machines 2
    2 machines for 50 hours produces 2,000 products. How many machines need to buy to make in 30 hours 15,000 products?
  • Workers
    Ten workers must pave road street for 22 working days. After four days were for speeding up work added two more workers. a) After how many work days now workers completes the paved road? b) How many working days it took a total paved road?
  • Cows
    4 cows spent 16 bags of hay in 5 days. How many bags of hay sacks are needed for 5 cows for seven days?
  • Pumps 3
    Two pumps of the same power fill the garden pool for 10 hours. How many of these pumps would have to use if we want to shorten the filling of the pool to four hours?
  • Troops - soldiers
    Food stocks will last 20 soldiers of the 4-day training. How many days they could extend training if four soldiers become sick?
  • Supermarket cashiers
    When at the supermarket are opened only 2 cash people waiting in the front approximately 12 minutes. How many will shorten the average waiting time in a front where supermarket open another three cashiers?
  • Floating floor
    In the new building is considered a floating floor worker in each room. 30 minutes lay 9 m2 of the floor. How long 3 workers laid the floor in 4 rooms with a total area of 90 m2?
  • 4 pipes
    The tank flows out by 4 pipes in 6 hours 120 hl water. How much water flows out of 5 pipes of the same diameter in 14 hours?
  • Greenhouses
    Two workers would make installation of greenhouses for 54 hours. For how many hours does the installation have nine workers?
  • Working time - shortening
    The media often speculates about the change (especially to shorten) the working time of the five-day eight-hour working week to another working model. Calculate how many hours a day the employee would have to work a day at 3-day work week if he must work
  • Road repair
    Road repair took 10 days for 36 workers if they worked 9 hours a day. How many days take repair same road 37 workers if they work 8 per day?
  • Forestry workers
    In the forest is employed 56 laborers planting trees in nurseries. For 8 hour work day would end job in 37 days. After 16 days, 9 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 10 hours a day?
  • Excavation
    Mr. Billy calculated that excavation for a water connection digs for 12 days. His friend would take 10 days. Billy worked 3 days alone. Then his friend came to help and started on the other end. On what day since the beginning of the excavation they met?
  • Pediatrician
    Pediatrician this month of 20 working days takes 8 days holidays. What is the probability that on Monday it will be at work?
  • Pool
    If water flows into the pool by two inlets, fill the whole for 19 hours. The first inlet filled pool 5 hour longer than the second. How long pool take to fill with two inlets separately?
  • Pipes
    The water pipe has a cross-section 1087 cm2. An hour has passed 960 m3 of water. How much water flows through the pipe with cross-section 300 cm2 per 9 hours if water flows the same speed?

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Direct relationship - math problems. Work word problems.