Pre Calc question please help (compound interest formula)?

Stephanie

Member
A car was valued at $45,000 in the year 1992. The value depreciated to $14,000 by the year 2003.

Use the compund interest formula S= P (1 + r ) ^t to answer the following questions.

A) What was the annual rate of change between 1992 and 2003?
r=_____________

B) What is the correct answer to part A written in percentage form?
b=______________

C) Assume that the car value continues to drop by the same percentage. What will the value be in the year 2006 ?
Value= $______________
 
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