Inverse relationship - practice problems
Number of problems found: 212
- The speed
The speed (v) of a moving object is inversely proportional to the time (t) traveled is written as?
- Two water 2
Two water pumps can fill a water tank in 20 minutes. How many minute will take 4 pumps to fill the tank at the same rate.
- 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 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?
- 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?
- 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?
Three people pick strawberries from 48 rows in 8 hours. How many hours do five people need to pick strawberries from 20 rows?
- The bricklayer
The bricklayer built a six-meter base of the fence in 3 hours. How long does it take to build a 14 m long base?
- Multiplicative inverse
Explain why the reciprocal of - 1 1/17 is the multiplicative inverse of - 17/18.
- Quotient and subtraction
Sixteen minus the quotient of 12 and what number is thirteen?
- Sort fractions
Which is larger 3/7, 3/8, 3/9, 3/6 =
If 4 and a half teaspoons of baking powder are need to make 10 servings of cornbread, how many teaspoons are needed to make 25 servings?
- Petrol as fuel
A car can travel 480 miles on a full tank of petrol. The tank holds 60 litres. The fuel gauge shows there are 15 litres left in the tank. How many more miles can the car travel before it runs out of petrol?
- Mrs. Zarka
Mrs. Zarka has 3 pies for a party. She calculates that if she splits the pies evenly among the guests, they will each receive 1/6 of a pie. How many guests are there?
Ember spent $144 on her birthday party for 18 guests. If the cost is at the same rate, how many guests will there if she spends $176?
- The printer
A total of 6 piece of book covers were printed in 0.12 hours. Each piece of the book cover was printed in equal time. Calculate the time, in hours, to print 30 book covers.
- Six identical
Six identical compressors inflate 180 balloons in one hour. How many balloons inflate one compressor in 10 minutes?