She used 30 liters of white color.
Step-by-step explanation:
Let,
Both colors = x
2 parts of white color = 2x
13 parts of red color = 13x
Total shade = 150 liters
According to given statement;
2x+13x=150
[tex]15x=150[/tex]
Dividing both sides by 15;
[tex]\frac{15x}{15}=\frac{150}{15}\\x=20[/tex]
Volume of white color = 2(15)
Volume of white color = 30 liters
She used 30 liters of white color.
Keywords: Linear equation, addition
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