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9. At what rate per annum should P2400 be invested so that it will earn an interest of P800 in 8 years? a. 6 ½ % b. 5 ½ % c. 4.17 % d. 6 %

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Answer: 4.17%

Step-by-step explanation:

in the attachment

9. At what rate per annum should P2400 be invested so that it will earn an interest-example-1
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