The value of a machine depreciats 10% every year. If its persent value is ₹ 387000. What was it's value 1 year ago?

3 answers

If its value last year was v, then

387000 = 0.9v
4300
387000 = (1-10/100). 387000=9/10 .cross multiplication 3870000/9 answer 43000