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10-05-2020
Mathematics

contestada

An investment of $1,800 in the stock market
earned $378 in two years. Find the simple
interest rate.

Respuesta :

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10-05-2020

Answer:

The simple interest formula is I =PrT

Here I = 378, P = 1800, T = 2

substitute

378 =1800*r*2

r = 378/3600 = .105, i.e. 10.5%

Step-by-step explanation:

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