Aline passes through point a(10,15). a second point on the line has an x-value that is 125% of the x-value of point a and a y-value that is 75% of the y-value of point a. use point a to write an equation of the line in point-slope form

Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint