188k views
5 votes
How much principal must be
invested to earn $36 in 1/2 a year
at an interest rate of 8%?

How much principal must be invested to earn $36 in 1/2 a year at an interest rate-example-1
User Dondondon
by
5.0k points

2 Answers

5 votes
Answer
900$

let our principal be P
as SI = P x R x T / 100
=> P x 8 x 1 / 100 x 2 = 36
=> 0.04 x P = 36
=> P = 36 / 0.04
=> P = 900$
User Pgsandstrom
by
5.7k points
4 votes

Answer:

Simple interest: $70.56

Annually compounded Interest: $90.65

Step-by-step explanation:

User Yesenia
by
4.7k points