Question

The quantity a varies directly with b and c and inversely with

d. The quantity d is tripled. Which of the following must be true for the relationship to remain the same?
Both c and b must be tripled.
The product of c and b must be tripled.
Both c and b must be multiplied by 1/3.
The product of c and b must be multiplied by 1/3.

Answer 1

b

Explanation:

Answer 2

The correct answer for the question that is being presented above is this one: "The product of c and b must be multiplied by 1/3." The quantity a varies directly with b and c and inversely with d. The quantity d is tripled. So the equation is a = bc / d. Then, a = bc /3d.