1 t of sea water contains 25 kg of salt. How many tons of seawater must be evaporated to obtain 2 q of salt?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Liters od milk
The cylinder-shaped container contains 80 liters of milk. Milk level is 45 cm. How much milk will in the container, if level raise to height 72 cm?
- Divisible by 5
How many three-digit odd numbers divisible by 5, which are in place ten's number 3?
Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?
Find how many donuts each student will receive if you share 126 donuts in a ratio of 1:5:8
- Price increase 2x
If two consecutive times we increase the price of the product by 20%, how many % is higher final price than the original?
- Waiting room
In the waiting room are people and flies. Together they have 15 heads and 50 legs (fly has 6 legs). How many people and flies are in the waiting room?
Michal, Peter, John and Lenka got together 2,400 euros. They share an amount in ratio 2:6:4:3. How many got each of them?
The count of accidents in 1995 caused 8780 women which is 8.4%. How many men caused the accidents?
- Percents - easy
How many percent is 432 out of 434?
From 99 children who participated in the ski course were 23 excellent skiers, 13 good and 20 average and the rest were beginners. Calculate this data in percentages.
The enrollment at a local college increased 4% over last year's enrollment of 8548. Find the increase in enrollment (x1) and the current enrollment (x2).
Of the 80 people 50 people ill cancer. What percentage of people isn't ill?
Determine the percentage rate of keeper interventions if from 32 shots doesn't caught four shots.
1 mason casts 30.8 meters square in 8 hours. How long casts 4 masons 178 meters square?
- The square
The square root of 25 times the square root of 81 is what number?
- Double percent
What is 80% of 60% of 2800?
Expressed as a percentage: