A mixture of orange paint contains 8 teaspoons of red paint and 12 teaspoons of yellow paint. To make the same shade of orange paint using 18 teaspoons of red
paint, how much yellow paint would you need? Use the double number line diagram
to help if needed.
red paint (teaspoons)
0
8
yellow paint (teaspoons)
+
12
0
A. 27 teaspoons
B. 24 teaspoons
C. 22 teaspoons
D. 12 teaspoons