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(a) Linda deposits RM 2,600 in an account when she was 15 years old. The simple interest rate offered is 4.3 % per annum. Find the simple interest earned when she is 21 years old. (b) RM 600 is invested on 5 May 2021 at a simple rate of r % per annum. The amount on 4 June 2021 using Banker's rule is RM 604.50. Find the interest rate.

(a) Linda deposits RM 2,600 in an account when she was 15 years old. The simple interest rate offered is 4.3 % per annum. Find the simple interest earned when she is 21 years old. (b) RM 600 is invested on 5 May 2021 at a simple rate of r % per annum. The amount on 4 June 2021 using Banker's rule is RM 604.50. Find the interest rate.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section7.7: Simple And Compound Interest
Problem 16E
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QUESTION 3 (a) Linda deposits RM 2,600 in an account when she was 15 years old. The simple interest rate offered is 4.3 % per annum. Find the simple interest earned when she is 21 years old. (b) RM 600 is invested on 5 May 2021 at a simple rate of r % per annum. The amount on 4 June 2021 using Banker's rule is RM 604.50. Find the interest rate.
Transcribed Image Text:QUESTION 3 (a) Linda deposits RM 2,600 in an account when she was 15 years old. The simple interest rate offered is 4.3 % per annum. Find the simple interest earned when she is 21 years old. (b) RM 600 is invested on 5 May 2021 at a simple rate of r % per annum. The amount on 4 June 2021 using Banker's rule is RM 604.50. Find the interest rate.
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