Simple proportion - practice problems
Number of problems found: 274
- 14 percent
If 14 percent is 56, what is the base?
Write the following proportion: Eight is to 64 as to 2 is to x
- 100% 8374
28 is 100% 13 is x%
- Motor oil
Thirty liters of oil cost 28.80 Euros. How much cost a liter?
- Six percents
6% of the base is 21. How much is 28% of this base?
- The proportion
Solve for N in this proportion: 6/5=30/N?
- Proportional relationship
The ordered pairs (6,24) and (1, s) represent a proportional relationship. Find the value of s.
- Two bricks
One brick weighs 1kg and half a brick. How many kilograms weigh two bricks?
- Divide 5707
11/4, what will we divide to get 11/12?
- Three-quarters 4216
The machine moves 36 products in half an hour. How many products will move in three-quarters of an hour?
- Tank 11
When 150 liters have been drawn from a tank, it is 3/8 full. How many liters will the tank hold?
Reduce the numbers: 50 in a 1:2 ratio 111 at a ratio of 2:3 70 at 10:50 560 at a ratio of 3:8
Sixty percent of one-fifteen of the total is equal to thirty. What are two percent of the total?
- Weight 3618
Fifty pins with the same weight weigh 4.6 grams. How much do 15 pins weigh?
If six bags of flour have a mass of 27 kilograms, what will be the mass of 11 bags?
- 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?
- Five mechanics
Five mechanics will make a car for some time. How many cars can 30 mechanics produce at the same time?
- A map
A map of size 60cm by 25cm is reduced in the ratio of 3:5 twice. What are the new dimensions?
18 m railway weighs 1260 kg. How much weighs 100 m of welded railways?
- Toothpaste 3479
A full tube of toothpaste is enough for one family member for six weeks. How long will three family members last?