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There are three interest earning accounts (X, Y, and Z accounts) which has a total of Php 8,500 investment. The interest rates were 2%, 3% and 6% if the total simple interest for one year was Php 380 and the amount invested at 6% was equal to the sum of the amounts in the other two accounts. Using Cramer's Rule. 15. How much was invested in X account? a. Php 220 b. Php 230 c. Php 240 d. Php 250 16. How much was invested in Y account? a. Php 4000 b. Php 5000 c. Php 6000 d. Php 7000 17. How much was invested in Z account? a. Php 4250 b. Php 5250 c. Php 6250 d. Php 7250

There are three interest earning accounts (X, Y, and Z accounts) which has a total of Php 8,500 investment. The interest rates were 2%, 3% and 6% if the total simple interest for one year was Php 380 and the amount invested at 6% was equal to the sum of the amounts in the other two accounts. Using Cramer's Rule. 15. How much was invested in X account? a. Php 220 b. Php 230 c. Php 240 d. Php 250 16. How much was invested in Y account? a. Php 4000 b. Php 5000 c. Php 6000 d. Php 7000 17. How much was invested in Z account? a. Php 4250 b. Php 5250 c. Php 6250 d. Php 7250

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter2: Functions And Graphs
Section2.3: Linear Functions And Slope
Problem 106E
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There are three interest earning accounts (X, Y, and Z accounts) which has a total of Php 8,500 investment. The interest rates were 2%, 3% and 6% if the total simple interest for one year was Php 380 and the amount invested at 6% was equal to the sum of the amounts in the other two accounts. Using Cramer's Rule. 15. How much was invested in X account? Php 220 b. Php 230 c. Php 240 d. Php 250 a. 16. How much was invested in Y account? a. Php 4000 b. Php 5000 c. Php 6000 d. Php 7000 17. How much was invested in Z account? a. Php 4250 b. Php 5250 c. Php 6250 d. Php 7250
Transcribed Image Text:There are three interest earning accounts (X, Y, and Z accounts) which has a total of Php 8,500 investment. The interest rates were 2%, 3% and 6% if the total simple interest for one year was Php 380 and the amount invested at 6% was equal to the sum of the amounts in the other two accounts. Using Cramer's Rule. 15. How much was invested in X account? Php 220 b. Php 230 c. Php 240 d. Php 250 a. 16. How much was invested in Y account? a. Php 4000 b. Php 5000 c. Php 6000 d. Php 7000 17. How much was invested in Z account? a. Php 4250 b. Php 5250 c. Php 6250 d. Php 7250
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