Direct proportionality - practice problems - page 3 of 38
Number of problems found: 741
- A statue
A statue on a shelf is recreated on a computer screen. The actual statue is 14 in. tall and 4 in. wide. The statue on the computer screen is 1.5 in. wide. How tall is the statue on the computer screen? - Mei Mei
Mei Mei bought 15 chicken wings for $28.50. If Mei Mei spent $34.20, how many chicken wings did she buy? - Sami received
Sami received a salary of € 73.50 for 7 hours. How much would the salary have been in 8 hours? - Ruel cut
Ruel cut the grass on 1/5 of a hectare in an hour. How long will it take him to cut the grass on 3/4 of a hectare? - Ratio 28
Ratio 3 to 2. If a total of 30 dogs and cats were in the neighborhood, how many cats were there? - Suppose 9
Suppose that 14 inches of wire cost 42 cents. At the same rate, how much (in cents) will 48 inches of wire cost? - Employees 16
There are 3 full-time employees in your office for every 5 who are part-time. If there are 25 part-time employees, how many full-time employees are there? - A stock A stock of food is enough to feed 50 people for 14 days. How many days will the food last if 20 more people are added?
- £4.20
£4.20 per 100 g; what would 0.118 kg equal? - The distance 3
The distance covered by car in 1 hour is 38 1/2 km. Find the distance it will cover in a) 3 1/2 hours, b) 5 hours. - Three chefs
Let's say you have 3 Chefs that have made 14 cakes in 8 hours. Assuming they are working at the same efficiency, how many hours does it take 10 Chefs to bake 24 cakes? (Rounded to the nearest hour) - Meat 5
2.4 kg of meat costs 292 CZK at the store. How much meat of the same type can be bought for 2,482 CZK? - Jewellery-maker
A jewellery-maker threads 5 beads in 20 seconds. A necklace consists of 210 beads, 30 are already threaded. a) Write an equation of the dependence of the number of threaded beads on time (in minutes), during which the jewellery-maker will be threading the - Painters 5
Six painters were supposed to paint 6,000 m² within the planned time. Two painters fell ill, so each of the four remaining had to paint 50 m² more per day than the original planned daily output. Calculate the original planned daily output per painter. - Necessary paint
3 kg of paint is sufficient for 18 m² of area. How much paint is needed to paint the walls and bottom of a swimming pool with dimensions of 25 m × 15 m and a depth of 1.5 metres? - Cyclist 30
A cyclist covered a distance of 18 km in 32 minutes at a constant speed. What distance in kilometres would he have covered at the same speed in 80 minutes? - Create 2
Create a suitable table and fill in the data: Producing four machines takes a total of 80 hours. Each machine takes the same amount of time to produce. How long does it take to produce 1 machine, 2 machines, and 5 machines? - Six horses
How many bags of feed are needed for 6 days for six horses, if 21 bags of feed are needed for 3 days for seven horses? - Textbook - curriculum
We have to learn 30 pages from the textbook for an exam. If we study 6 pages a day, we will cover the material in 5 days. How many pages per day must we study if we have only 3 days? - Tickets 9/11
9 tickets cost 153 CZK. How much do 11 tickets cost?
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