The value of cement mixer after t year is 
Given to us
The value of cement mixer when bought,
= $ 54,205
the value of cement mixer after 1 year,
= $ 47,158. 35
the value of cement mixer after 2 year,
= $ 41,027. 76
To find out depreciation we can use the formula for depreciation,

By putting the value, in the formula we get,

Therefore, putting the value of
and
in depreciation formula for
years we get,


Hence, the value of cement mixer after t year is
.
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