SOLUTION: If 3 parts of a red pigment requires 15 mL of base, how much red pigment should we mix with 180 mL of base? Can this problem be modeled as a Proportional relationship?

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Question 935464: If 3 parts of a red pigment requires 15 mL of base, how much red pigment should we mix with 180 mL of base?
Can this problem be modeled as a Proportional relationship?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = parts of red pigment to
be mixed with 180 ml of base
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+3%2F15+=+x%2F180+
Multiply both sides by +15+
+3+=+x+%2F+12+
+x+=+36+ parts
yes