# Direct relationship - practice problems

#### Number of problems found: 358

- A pack

A pack of 8 sports drink costs $5. How much would it cost to buy 72 sports drinks? - Manganese

Manganese bronze contains the following amounts of metals per pound: copper 0.89 lb, tin 0.10 lb, and manganese 0.01 lb. How much copper is in a shaft that weighs 235 pounds? - Sack of rice

A 50-kilogram sack of rice has a price ₱1 750. How much do you pay if you only buy 35 kilograms of it? - The speed

The speed (v) of a moving object is inversely proportional to the time (t) traveled is written as? - Macky

Macky income varies directly as the number of days that she works. If she earns 8000 pesos in 20 days, how much will she earn if she worked 3 times long? - Jointly and cube power

If y varies jointly as x and the cube of z and y=16 when x=4 and z=2, find an equation that represent this relationship - Direct proportion

y varies directly as x and y=32 when x=4. Find the constant of variation. - Directly and inversely

If z varies directly as x and inversely as y, and z = 16 when x = 3 and y = 2, find z when x = 5 and y = 3 - Square function

If z varies jointly as x and the square of y, and z = 20 when x = 4 and y = 2, find z when x = 2 and y = 4. - Jointly function

If z varies jointly as x and y, and z = 12 and x = 2 and y = 4, find z when x = 5 and y = 2 - The cost 4

The cost to tile a floor that measures 7 x 6 square feet is $ 2,100. How much will it cost to tile a floor that measures 11 x 13 square feet? - Volleyball 2

In a volleyball game, Michael made 4 shots in 8 tries. At this rate, how many shots can he make in 12 tries? - Circle segment

A quarter circle with radius 4 has the same content as a circle segment with radius 3. What is the magnitude of the center angle of the circle segment? - Earnings 2

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns 187.15 pesos, what should she earn if she worked 40 hours? - Gas price

If a cm³ of gas costs rm 1.50, how many cents would a liter of gas cost? 1 rm = 1 Malaysian Ringgit = 100 Malaysian Ringgit cents = equals 0.21 Euro in 2021/Q3 - Oil crisis

A car runs 16 km using 1 litre of petrol. How much distance will it cover using 2 3/4 litres of petrol? - If Jada

If Jada read 75 pages in four hours how long would it take her to read it 250 pages? - Markus painter

Markus used ¾ liter of paint to cover 10 ½ square meters of wall. How many liters of paint is needed to cover 12 ¼ square meters of wall? - Strawberries

Three people pick strawberries from 48 rows in 8 hours. How many hours do five people need to pick strawberries from 20 rows? - Colorado

The state Colorado has the shape of a rectangle. The map is sold on 2 posters. The first has dimensions of 70 cm and 50 cm in a scale of 1: 1,000,000. The second poster has dimensions of 175 cm and 125 cm. What is the scale of the second poster?

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