# Rational numbers + inverse relationship - practice problems

#### Number of problems found: 10

- The product 5

The product of two numbers is 250. One factor is 1/10 of 250. What is the second factor? What is the reciprocal of 1/10 of 250? - 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.

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Rational numbers - practice problems. Inverse relationship - practice problems.