Answer:
Given :
According to the question by using the formula we get,
[tex]\implies \sf\boxed{\bold{A =\: P\bigg(1 - \dfrac{r}{100}\bigg)^n}}\\[/tex]
where,
So, by putting those values we get,
[tex]\implies \sf 291600 =\: P\bigg(1 - \dfrac{10}{100}\bigg)^3\\[/tex]
[tex]\implies \sf 291600 =\: P\bigg(\dfrac{100 - 10}{100}\bigg)^3\\[/tex]
[tex]\implies \sf 291600 =\: P\bigg(\dfrac{90}{100}\bigg)^3\\[/tex]
[tex]\implies \sf 291600 =\: P \times \dfrac{90}{100} \times \dfrac{90}{100} \times \dfrac{90}{100}\\[/tex]
[tex]\implies \sf 291600 =\: P \times \dfrac{729\cancel{000}}{1000\cancel{000}}\\[/tex]
[tex]\implies \sf 291600 =\: \dfrac{729P}{1000}\\[/tex]
By doing cross multiplication we get,
[tex]\implies \sf 729P =\: 291600 \times 1000\\[/tex]
[tex]\implies \sf 729P =\: 291600000\\[/tex]
[tex]\implies \sf P =\: \dfrac{291600000}{729}\\[/tex]
[tex]\implies \sf\bold{\underline{P =\: 400000}}\\[/tex]
[tex]\therefore[/tex] The present value of a machine is $ 400000 .
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Answers & Comments
Answer:
Given :-
To Find :-
Solution :-
Given :
According to the question by using the formula we get,
[tex]\implies \sf\boxed{\bold{A =\: P\bigg(1 - \dfrac{r}{100}\bigg)^n}}\\[/tex]
where,
So, by putting those values we get,
[tex]\implies \sf 291600 =\: P\bigg(1 - \dfrac{10}{100}\bigg)^3\\[/tex]
[tex]\implies \sf 291600 =\: P\bigg(\dfrac{100 - 10}{100}\bigg)^3\\[/tex]
[tex]\implies \sf 291600 =\: P\bigg(\dfrac{90}{100}\bigg)^3\\[/tex]
[tex]\implies \sf 291600 =\: P \times \dfrac{90}{100} \times \dfrac{90}{100} \times \dfrac{90}{100}\\[/tex]
[tex]\implies \sf 291600 =\: P \times \dfrac{729\cancel{000}}{1000\cancel{000}}\\[/tex]
[tex]\implies \sf 291600 =\: \dfrac{729P}{1000}\\[/tex]
By doing cross multiplication we get,
[tex]\implies \sf 729P =\: 291600 \times 1000\\[/tex]
[tex]\implies \sf 729P =\: 291600000\\[/tex]
[tex]\implies \sf P =\: \dfrac{291600000}{729}\\[/tex]
[tex]\implies \sf\bold{\underline{P =\: 400000}}\\[/tex]
[tex]\therefore[/tex] The present value of a machine is $ 400000 .