Question

Maria bought a used chair for x dollars. This year the value of the chair was 0.66x. Which expression also describes the change in value of the chair?

a) 0.34% decrease b) 0.66% decrease
c) 34% decrease d) 66% decrease

Answer 1

For this case we have that the change in the value of the chair is given by:
x-0.66x = 0.34x
The percentage of decrease is given by:
(0.34) * (100) = 34%
Therefore, the chair had a decrease in the cost of 34%
Answer:
c) 34% decrease