Jennifer is tracking the monthly online sales of her homemade soaps. The following expression represents the number of soaps sold for each month over the course of x months.

153 (0.89) ^x

Which statement best describes the factor 0.89?

A. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold increases by 11%.

B. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold increases by 89%.

C. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold decreases by 89%.

D. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold decreases by 11%.

Question

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Mathematics

1 March, 07:23

Jennifer is tracking the monthly online sales of her homemade soaps. The following expression represents the number of soaps sold for each month over the course of x months.

153 (0.89) ^x

Which statement best describes the factor 0.89?

A. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold increases by 11%.

B. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold increases by 89%.

C. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold decreases by 89%.

D. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold decreases by 11%.

+5

Answers (2)

Know the Answer?

Jairo Blevins · Answer 1

Thx for the answer I appreciate it

Gavin Case · Answer 2

The correct answer is Choice D.

Since, 0.89 is less than one, this is a decreasing function. This means as the number of months increases, the amount of soap decreases.

To find the amount of the decrease, you subtraction it from 1.

1 - 0.89 = 0.11 or 11%