An artist mixes blue and yellow to make a shade of green. the ratio of blue to yellow is four to one. the color blue makes up what fraction of the mixture?thx ill give 21 pts

Hello! The ratio is 4:1, meaning that there are 4 blues for 1 yellow. 4 + 1 is 5. There are 5 parts of paint. This also means that 4 out of 5 of the mixture is blue. The color blue makes up 4/5 of the mixture.

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