Question

solve this plz fast urgent​

Answer 1

Let the principal be ₹x

amount =8,748

time =3 years.

Amount = p(1-r/100)power n ( when rate is d-

epreacting)

A/q

8748 = x(1-10/100)power 3

==> 8748=x ×9/10×9/10×9/10

==>8748= x × 729/1000

==>8748×1000= x × 729

==>8748000/728 =x

==>12000=x

hence x = 12000

so , the machine was purchased in ₹ 12000

this is the answer

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Answer 2

Answer:

final price = intial price(1+rate/100)power to time

rs8700 time=3 years rate=-10%

x×(1-10/100)^3=8700

x=9/10×9/10×9/10=8700

x=8700×9/10×9/10×9/10=will be ur ans

can u plz make ur calculation

hope this will help u