Inverse proportion - practice problems - page 5 of 21
Number of problems found: 406
- Ember  Ember spent $144 on her birthday party for 18 guests. If the cost is at the same rate, how many guests will there be if she pays $176? Ember spent $144 on her birthday party for 18 guests. If the cost is at the same rate, how many guests will there be if she pays $176?
- The printer  A total of 6 pieces of book covers were printed in 0.12 hours. Each piece of the book cover was published in equal time. Calculate the time, in hours, to print 30 book covers. A total of 6 pieces of book covers were printed in 0.12 hours. Each piece of the book cover was published 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? Six identical compressors inflate 180 balloons in one hour. How many balloons inflate one compressor in 10 minutes?
- Part-timers  47393   Fifty part-time workers planted 5,200 trees in a forest on a weekend brigade the forest in 9 hours. How many more part-timers do they have to lose next time to plant the same number of trees in eight hours? Fifty part-time workers planted 5,200 trees in a forest on a weekend brigade the forest in 9 hours. How many more part-timers do they have to lose next time to plant the same number of trees in eight hours?
- Thirty-six  40921   Thirty-six women earned € 2,640 in 5 days during the strawberry harvest. How much € 24 will women earn in 8 days under the same conditions? Thirty-six women earned € 2,640 in 5 days during the strawberry harvest. How much € 24 will women earn in 8 days under the same conditions?
- Mushroom risotto  630g of rice is needed to prepare mushroom risotto for four people. How many boxes of 500g rice do you have to buy to prepare risotto for 17 people? 630g of rice is needed to prepare mushroom risotto for four people. How many boxes of 500g rice do you have to buy to prepare risotto for 17 people?
- Warehouse 36811  At the Prague Zoo, they need to know how long the fruit will last for the gorillas. The stock in the warehouse would last the female Kamba for 25 days, the male Richard for 20 days, and the little Nura even for 40 days. How long will the supply last if ev At the Prague Zoo, they need to know how long the fruit will last for the gorillas. The stock in the warehouse would last the female Kamba for 25 days, the male Richard for 20 days, and the little Nura even for 40 days. How long will the supply last if ev
- Carpenter  36293   The carpenter did the work in 3 2/5 hours. What part of the work did he do in an hour? The carpenter did the work in 3 2/5 hours. What part of the work did he do in an hour?
- Weighted harmonic average  Ten workers will do some work in 2 minutes, five in 10 minutes, and three in 6 minutes. How many minutes per average worker per worker? Ten workers will do some work in 2 minutes, five in 10 minutes, and three in 6 minutes. How many minutes per average worker per worker?
- Harmonic mean  If x, y, and z form a harmonic progression, y is the harmonic mean of x and z. Find the harmonic mean of the numbers 6 and 5. If x, y, and z form a harmonic progression, y is the harmonic mean of x and z. Find the harmonic mean of the numbers 6 and 5.
- Insert 7  Insert five harmonic means between 3 and 18 Insert five harmonic means between 3 and 18
- Insert four  Insert four harmonic means between 3/7 and 3/19 Insert four harmonic means between 3/7 and 3/19
- Insert 5  Insert five harmonic means between 1/2 and 1/26 Insert five harmonic means between 1/2 and 1/26
- Harmonic 4  Find the harmonic mean of -6 and 5. Find the harmonic mean of -6 and 5.
- Harmonic mean  Harmonic means of 6 and 12 Harmonic means of 6 and 12
- HP - harmonic progression  Determine the 10th term of the harmonic progression 6,4,3,… Determine the 10th term of the harmonic progression 6,4,3,…
- HP  - harmonic progression  Determine the 8th term of the harmonic progression 2, 4/3, 1,… Determine the 8th term of the harmonic progression 2, 4/3, 1,…
- Book reading  Susan thought, "If I read 15 pages a day, I will read the whole book in 8 days. "How many pages would she have to read a day if she wanted to finish the book on the 6th day from the start of reading? And how many pages does the book have? Susan thought, "If I read 15 pages a day, I will read the whole book in 8 days. "How many pages would she have to read a day if she wanted to finish the book on the 6th day from the start of reading? And how many pages does the book have?
- Mr. Ben  Mr. Ben drives bricks to the construction site. If he drove three times a day, he would make bricks in 8 days. How many times a day would he go every day to be done two days earlier? Mr. Ben drives bricks to the construction site. If he drove three times a day, he would make bricks in 8 days. How many times a day would he go every day to be done two days earlier?
- Minutes  31571   The typist typed 16 pages of text in 2 hours and 8 minutes. How many pages of text will you write at the same speed in 20 minutes? The typist typed 16 pages of text in 2 hours and 8 minutes. How many pages of text will you write at the same speed in 20 minutes?
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