The triangle ABC has coordinates A(6,1) , B(12,4) C(-6,2). The triangle is deleted from the origin by a scale factor r=1/2 Identify the coordinates of the dilated triangle A' B' C'

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint