Orange colour
For the painter to get orange, he has to mix yellow and red in a ratio of 3:4. If he used 8 liters of red, how many liters of orange did he mix?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- equation
- expression of a variable from the formula
- basic functions
- ratio
- inverse proportion
- direct proportionality
Units of physical quantities:
Grade of the word problem:
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