Inverse relationship + rational numbers - math problems

Number of problems found: 9

  • Division
    Divide by the number 0.2 is the same as multiply by what number?
  • Medicament
    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
  • 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?
  • Tare
    Gross weight of shipment is 6927 kg and its tare is 7%. Calculate the net weight of the shipment.
  • Tape
    Video is 153% more expensive than tape recorder. How many percent is tape recorder less expensive than video?
  • Freedom
    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
    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 €.
  • Expression
    If it is true that (l + 15 w)/(w) = 6, then the value of the expression (13 l)/(12 w) is:
  • 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?

We apologize, but in this category are not a lot of examples.
Do you have an exciting math question or word problem that you can't solve? Ask a question or post a math problem, and we can try to solve it.



We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.



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