the value of a car depreciates 20% every year.If after two years,the price of a car is 420000.Find the original price of a car?
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Depreciation rate =20%per annum
After 2 years of depreciation sum=420000
Let original price =x
After 1st year depreciation =x*20/100
Remains sum=x-20x/100=80x/100
At 2nd depreciation =80x/100)*20x/100=16x/100
Remains sum =80x/100-16x/100=74x/100
According to question
74x/100=420000
X=42000000/74=567567.56
Original price =567567.56
After 2 years of depreciation sum=420000
Let original price =x
After 1st year depreciation =x*20/100
Remains sum=x-20x/100=80x/100
At 2nd depreciation =80x/100)*20x/100=16x/100
Remains sum =80x/100-16x/100=74x/100
According to question
74x/100=420000
X=42000000/74=567567.56
Original price =567567.56
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