SOLUTION: what is the percentage of black if the ratio of grey to black is 3:1?

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Question 308754: what is the percentage of black if the ratio of grey to black is 3:1?
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
You have 3 parts of grey to 1 part black. Therefore, the percentage of black is 1 out of 4 total parts, which is 25%.

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus