Math, asked by Supersiddh, 9 months ago

A machine depreciates every year at the rate of 20% of its value at the beginning of the year. The machine was purchased for Rs.250000 when new and the scrap value realised when sold was Rs. 128000. Find the number of years that the machine was used.

Answers

Answered by mhanifa
11

Answer:

3 years

Step-by-step explanation:

Value drop rate= 20% or 0.8 times

Purchase value= Rs. 250000

Sold for= Rs. 128000

Value drop rate= 128000/250000=0.512

0.512=0.8³ so 3 times value drop means the machine was used for 3 years

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