sửa lại : không phải là 1026 mà là 1,026
sửa lại : không phải là 1026 mà là 1,026
Sea water contained 3% of salt. Given 1,3L sea water weightd 1365g. How many liters of sea water must be evaporated to gain 252kg of salt.
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 ?
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 ?
A rectangular tank, measure 40 cm by 38 cm with a height of 30, is filled with water to a height of 10 cm.
a, Find the volume of water in the tank.
b, When 5 indentical iron balls are dropped into the tank, the water level increases to half of the tank. Find the volume of each iron ball.( giải bằng tiếng anh giúp! ><)
Pool A rectangular shape with a length 19,2m.Neu Rock, 22.5 width 414,72m cubic tank, the water level in the tank up to four-fifths of the height of the height of the tank be.Hoi how many meters?