6. Jeremy runs a steel mill. To make a certain steel, 3 lbs of titanium is alloyed with 150 lbs of iron. If Jeremy wants to make that same steel using 4.3 tons of titanium, which equation can he use to find the number of tons of iron he must procure? 3 X 4.3 4.3 a) 4.3 X 150 3 b) 3 150 4.3 150 d) 150 3