A particular shade of paint is made by mixing 7 parts red paint with 9 parts blue paint. To make this shade, Shannon mixed 9 quarts of blue paint with 6 quarts of red paint.

Answer 1

red is 7/16=43.75% and blue is 9/16=56.25%

Shannon did 9/15 = 60% blue and 6/15 = 40% red

She's close!