Please help!

Exponents & Logarithms

On federal income tax returns, self employed people can depreciate the value of business equipment. Suppose a computer valued at $1200 depreciates at a rate of 25% a year.

In 2005, the average retirement salary for Colorado teachers was $47,000. The contract promised a 2% raise every year.
Write the equation that models this problem. Please help!

Exponents & Logarithms

On federal income tax returns, self employed people can depreciate the value of business equipment. Suppose a computer valued at $1200 depreciates at a rate of 25% a year.

In 2005, the average retirement salary for Colorado teachers was $47,000. The contract promised a 2% raise every year.
Write the equation that models this problem. @Mathematics

Question

Please help!

Exponents & Logarithms

On federal income tax returns, self employed people can depreciate the value of business equipment. Suppose a computer valued at $1200 depreciates at a rate of 25% a year.

In 2005, the average retirement salary for Colorado teachers was $47,000.  The contract promised a 2% raise every year.
Write the equation that models this problem. Please help!

Exponents & Logarithms

On federal income tax returns, self employed people can depreciate the value of business equipment. Suppose a computer valued at $1200 depreciates at a rate of 25% a year.

In 2005, the average retirement salary for Colorado teachers was $47,000.  The contract promised a 2% raise every year.
Write the equation that models this problem. @Mathematics

anonymous · Answer

1200(0.75)^n n=years for part a.

47000(1.02)^n for part b.

anonymous · Answer

But thats using compound interest formula.

fools101 · Answer

Thank u!

anonymous · Answer

No problem, handy to type out the compound interest formula every once in a while.