Inverse relationship + rational numbers - math problems

Number of problems found: 9

  • Expression
    fractions If it is true that ? is:
  • Division
    division Divide by the number 0.2 is the same as multiply by what number?
  • Tape
    mg Video is 153% more expensive than tape recorder. How many percent is tape recorder less expensive than video?
  • Tare
    camion Gross weight of shipment is 6927 kg and its tare is 7%. Calculate the net weight of the shipment.
  • Freedom
    family_life In the city are 3/9 of women married for 3/6 men. What proportion of the townspeople is free (not married)? Express as a decimal number.
  • ŽSR
    luzianky Calculate fixed annual personnel costs of operating monorail line 118 km long if every 5 km is a station, which serves three people - one dispatcher and two switchmen in 4-shift operation. Consider the average salary of the employee 885 €.
  • Pipes
    water_pipe 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?
  • Excavation
    vykop_ryha 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?
  • Medicament
    tablets The same type of medicament produces a number of manufacturers in a variety of packages with different content of active substance. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 9 Eur. Pack 2: includes 150 pills of 500 mg of active

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Inverse relationship - math word problems. Rational numbers - math word problems.