nataliarodriguez0701 nataliarodriguez0701

15-04-2022
Mathematics

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$400 interest is earned on a principal of $2000 at a simple interest rat 5% interest per year.for how many year was the principal invested

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Аноним Аноним

15-04-2022

Answer:

4 Years.

Step-by-step explanation:

Given:

Principle ⇒ 2000

Interest ⇒ 400

Rate ⇒ 5%

To Find:

Time ⇒ _

Solution:

Simple interest ⇒ p * x * t / 100

⇒ 400 = 2000 * 5 * t / 100

⇒ 400 = 200 * 5 * t / 10

⇒ 400 = 20 * 5 * t

⇒ t = 400 / 20 * 5

⇒ t = 40 / 2 * 5

⇒ t = 20 / 5

⇒ t = 4

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