How many ounces of a 55 cid solution and a 30 cid solution must be mixed to produce 100 ounces of a 43 cid solution?
a) 60 oz of 55 cid solution, 40 oz of 30 cid solution
b) 40 oz of 55 cid solution, 60 oz of 30 cid solution
c) 50 oz of 55 cid solution, 50 oz of 30 cid solution
d) 30 oz of 55 cid solution, 70 oz of 30 cid solution