Simple proportion - math problems
Number of problems found: 106
write the following proportion 8 is to 64 as to 2 is to x
- Proportion 2
A car is able to travel 210 km in 3 hours. How far can it travel in 5 hours? Put what kind of proportion is this and show your solution.
- Proportion 3
For every 8 mango trees in the orchard, there are 4-star apple trees. If there are 1320 trees, how many trees of each kind are there?
There are red, blue and green candies in bad. Red to green is in 6:11 ratio and blue to red in a 7: 5 ratio. In what proportion are blue to green candies?
Solve this direct relation by the triplet: 0.25h. .. . . .. .. . . .. .. .. 3 pcs 6.5h. .. . . .. .. . . .. .. . . .. .. x pcs
- Two bricks
One brick weighs 1kg and half a brick, how many weigh two bricks?
Three pavers will pave the sidewalk in 4 days. How long does it take for two tiles to pave the same sidewalk?
- 14 percent
If 14 percent is 56, what is the base?
- Tank 11
When 150 litres has been drawn from a tank it is 3/8 full, how many litres will the tank hold?
- Proportional relationship
The ordered pairs (6,24) and (1, s) represent a proportional relationship. Find the value of s.
- Motor oil
30 liters of oil cost 28.80 Euros. How much cost a liter?
For 7 hours of study, she scored a 75, so if she made 93, how many hours would she need to study?
- Five pumps
The water tank is filled with two pumps in 48 minutes. How long would it take to fill it with 5 same pumps?
I drive at an average speed of 70km/h, I drive 10 thousand km. How long did it take me?
- Two boats
The sightseeing boat sail at 25 km / h. The cruise take 6 hours. How long the another boat sails at 60 km/h?
- Five mechanics
Five mechanics will make a car for some time. How many cars can 30 mechanics produce at the same time?
Sixty percent of one-fifteen of the total is equal to thirty. What are two percent of the total?
- Six percents
6% of the base is 21. How much is 28% of this base?
- A map
A map of size 60cm by 25cm is reduced in the ratio of 3:5, twice. What are the new dimensions?
- Cable car
The cable car will carry 1280 passengers in 40 minutes. How many people will be transported in 2.5 hours?