Question

a manufacturer install a machine at a cost of RS. 3000.at the end of 9 years the machine has a value of1200.assuming yearly depreciation to be a constant amount find its price after 13 years​

Answer 1

Answer:

300

Step-by-step explanation:

This is a sum of A.P

here,a=3000

a. =1200

n

n=9

applying the formula

a = a+(n-1)d

n

1200=3000+(8)d

-1800=8d

d=-225

PRICE AFTER 13 YEARS,n=13

a. = a+(n-1)d

13

=3000+12(-225)

=3000-2700

=300

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