SOLUTION: Manu has some cubes in three different colors. Cubes of the same color have the same mass. Manu weighs the cubes. 1 red and 1 blue are 7 kg 2 white and 1 blue are 8 kg

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Question 1027280: Manu has some cubes in three different colors. Cubes of the same color have the same mass. Manu weighs the cubes.
1 red and 1 blue are 7 kg
2 white and 1 blue are 8 kg
2 red and 1 blue are 12 kg
What is the mass of one white cube in kilograms?
Not very good on solving the Measures and Units word problems.
Can you please help me to find the best and quick way. Thanks!
Answer by ikleyn(52780)   (Show Source): You can put this solution on YOUR website!
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Manu has some cubes in three different colors. Cubes of the same color have the same mass. Manu weighs the cubes.
1 red and 1 blue are 7 kg
2 white and 1 blue are 8 kg
2 red and 1 blue are 12 kg
What is the mass of one white cube in kilograms?
Not very good on solving the Measures and Units word problems.
Can you please help me to find the best and quick way. Thanks!
~~~~~~~~~~~~~~~~~~~~~~~~~~~` 

A)    1 red and 1 blue are 7 kg
B)    2 white and 1 blue are 8 kg
C)    2 red and 1 blue are 12 kg

Compare A) and C). What can you conclude?
                   Apply your brain.
                   Make a mental effort.
                   Make your conclusion.

This is very good mental math problem for 1-st and 2-nd grade students.

Good even for preschool.

Good luck!

If it will be your first solved problem you will remember it for all your life and will tell it to your children.


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