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.

Question

Mathematics

Brielle Drake

9 November, 14:41

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.

+2

Answers (1)

Know the Answer?

Serena Whitney · Answer 1

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.