Q: Elena makes her favorite shade of purple paint by mixing 3 cups of blue paint, 1 1/2 cups of red paint, and 1/2 of a cup of white paint. Elena has 2/3 of a cup of white paint. A: Assuming she has enough red paint and blue paint, how much purple paint can Elena make?
B: How much blue paint and red paint will Elena need to use with the 2/3 of a cup of white paint?