the value of a machine of a machine deprive each year by 20% of the present value of machine b 160000 what was the value of last year??
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Answer:
200000
Step-by-step explanation:
previous years value be x
therefore,present value =x-20%x=160000
=>x(1-20/100)=160000
=>4/5 x=160000=>x=160000*5/4=200000
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