Cockroaches can digest a wide range of substances, which makes them a(n) . A. specialist species
B. generalist species
C. keystone species
D. indicator species

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