Question

the value of a machine depreciates every year by 20% if the present value of the machine be 160000 what was its value last year

Answer 1

please find attached

Answer 2

HEY DEAR ...

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Let the value be 100x last year.
Value is depreciated 20% that means
= 100x-100x*20/100 = 80x.
This year's price= 80x
Also this year's price=160000.

So 80x= 160000.
x= 160000/80. = 2000.
100x= 2000*100.
= 200000Rs.
Last year the machine's value was 200000Rs.

HOPE , IT HELPS ...