Depreciation 2 from hipolito book
Depreciation charge (Annual depreciation)
Appraisal values in 10 years answer
Appraisal values in 15 years answer
Draw a rectangle FC by n with FC vertical and n horizontal. Draw a straight line from left top corner to a any point on the opposite vertical side (not a corner). Draw a vertical line anywhere in the middle and label it accordingly.
Solve for Dm by ratio and proportion, and with Dm known, BV can be found. For (a) m = 10, and for (b) m = 15.