Question

he hanger below represents a balanced equation. What value ofr makes the equation true? r = 42 A. 3 B. 6 C. 12 D. 24 E. Not listed

Answer 1

The given scheme can be written algebraicaly as follow:

42 = 3r

divide both sides by 3 to solve for r:

42/3 = 3/3 r

14 = r

Hence, the value of r is r = 14

answer

E. Not listed