Barrel 4

The barrel of water weighs 63 kg. After off 75% water, the barrel's weight with water is 21 kg. How many kg weigh empty barrels and how many kgs of water in them?

Final Answer:

s =  7 kg
w =  56 kg

Step-by-step explanation:

r=100%75%=110075=0.25 s+w=63  kg s+r w=21  kg  s+r (63s)=21 s+0.25 (63s)=21  0.75s=5.25  s=0.755.25=7  s=7=7 kg
w=63s=637=56 kg



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Our percentage calculator will help you quickly and easily solve a variety of common percentage-related problems.
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
Tip: Our volume units converter will help you convert volume units.

You need to know the following knowledge to solve this word math problem:

algebrabasic operations and conceptsUnits of physical quantitiesGrade of the word problem

Related math problems and questions: