Posted by **Jessica** on Tuesday, August 31, 2010 at 7:25pm.

A photocopying machine purchased new for $4500 loses $900 in value a each year.

a. Find the book value of the machine after 18 months.

b. When will the book value be $1200?

Assume that each situation can be decribed as a linear equation

HELP!!! I don't know how to set this up but I know the answer

- Algebra 2 -
**Reiny**, Tuesday, August 31, 2010 at 8:23pm
Value = 4500 - 900t, where t is the number of years

a) 18 months ---> t = 1.5

value = 4500 - 1.5(900) = 3150

b)

solve

1200 = 4500 - 900t

- Algebra 2 -
**elle**, Sunday, November 8, 2015 at 3:26pm
the charge for a one day rental of a car from Hawks car rental agency is $24 plus 15 cents for each mile driven.

a) If sarah drives 85 miles in one day, how much is the charge?

b) If a one day rental cost Sarah $42, how far did she drive?

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