Brainliesttt !me : )

the median weekly earnings for american workers in 1990 was $412 and in 1999 it was $549. calculate the average rate of change between 1990 and 1999. explain and show your work.

Let D represent the average rate of change between 1990 and 1999

D ≈ 33%

Step-by-step explanation:

412+412×(Ｄ÷100 )= 549

⇔ 412×(Ｄ÷100) = 549 - 412

⇔ 412×(Ｄ÷100) = 137

⇔ Ｄ÷100 = 137÷412

⇔ Ｄ÷100 = 0.332524271845

⇔ D = 33.2524271845.

:)

Step-by-step explanation:

The average rate of change is the change in weekly earnings divided by the change in time.

1. Change in earnings  

Change in earnings = $549 - $412 = $137

2. Change in time

Change in time = 1999 - 1990 = 9 years

3. Average rate of change

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step-by-step explanation:

explanation:

step-by-step explanation: