sea water contains 2.5% salt.Each liter of sea water weight 1026 kg.How many liters of sea water needs to be evaporated to obtain 513 kg of salt ?
GẤP
The volume of salt in sea water is 0.57%, the volume of water in sea water is 5%. How many kilograms of salt prepared from 1 tons of sea water?
In 80kg 2,8kg sea salt. Find the percentage ratio of the amount of salt in sea water.
Problem 8. A cuboid container has dimensions as in the figure. The container has 54 liters of water in it. Bình wants to know a full bucket contains how many liters of water, so he pours the whole bucket of water into the container and finds that the level of the water is now 7 8 the height of the container. From that, he is able to calculate how many liters of water a full bucket contains. If the container is empty, how many buckets of water must Bình pour into the container to make it full?
A watermelon weighs 2kg and contains 92% of water. After putting in the sun, the water of the watermelon only contains 90% of water. At that time, how many kilograms does that watermelon weigh ?
A tank contained 414l of honey, 1/3 of this amount was taken away. How many liters of honey are left?
Câu 1:
A tank contained 414l of honey, of this amount was taken away. How many liters of honey are left?
Answer: ................................................ liters.
Câu 2:
There are 9 boxes of apples. Each box contains 35kg. If we take away 172kg from these boxes, how many kilograms of apples are left?
Answer: .................................... kilograms.
Câu 3:
Given fraction . If both its denominator and its numerator are increased by M units then the new fraction will equal to . The value of M is ..................................................
In order to increase the volume of a cuboid tank, peole increase the length of the tank and keep the width and the height unchanged. The area of the base increases by 75% and the tank can contain 1500 more liters of water. Find the volume of the tank before change?
In order to increase the volume of a cuboid tank, people increase the length of the tank and keep the width and the height unchanged. The area of the base increases by 75 % and the tank can contain 1500 more liters of water. Find the volume of the tank before change ?