What is a positive number and a negative number between 1and -1

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elizediax8683

22.09.2021

Mathematics

Given :Principal, P = $ 4,000Rate, R = 5 %Interest Amount, I = $ 200To Find :Time, T = ?Solution :

We, know that :

$\underline{\boxed{\sf Interest \: amount = \dfrac{Principal \times Rate \times Time}{100}}}$

$\underline{\boxed{\sf I = \dfrac{P \times R \times T}{100}}}$

By putting values, we have

$\sf : \implies 200 = \dfrac{4000 \times 5 \times T}{100}$

$\sf : \implies 200 \times 100 = 20000 \times T$

$\sf : \implies 20000 = 20000 \times T$

$\sf : \implies \cancel{\dfrac{20000}{20000}} = T$

$\sf : \implies 1 = T$

$\underline{\boxed{\sf T = 1 \: year}}$

It takes 1 year for him to earn $ 200 in simple interest.

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