1. Ms. Napucao invested P20,500.00 in a bank which yield 16 ½% simple interest for 10 months. Find the interest. 2. How long will it take the principal to double itself if invested at 12% simple interest? 3. Find the interest earned if P30,000.00 was invested at 12% simple interest for 2 ½ years.
1. Ms. Napucao invested P20,500.00 in a bank which yield 16 ½% simple interest for 10 months. Find the interest. 2. How long will it take the principal to double itself if invested at 12% simple interest? 3. Find the interest earned if P30,000.00 was invested at 12% simple interest for 2 ½ years.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
1. Ms. Napucao invested P20,500.00 in a bank which yield 16 ½% simple interest for 10
months. Find the interest.
2. How long will it take the principal to double itself if invested at 12% simple interest?
3. Find the interest earned if P30,000.00 was invested at 12% simple interest for 2 ½
years.
4. At what rate was P2,160.00 invested if it earned P35.00 for 115 days?
5. Roberto borrowed P3,150.00 at 6% for 264 days. How much interest did he pay for the
use of money?
6. Jeric invested certain amount at 12% for 2 years and earned P24,000.00. How much
did he invest?
7. Mr. Kempis invested P6,200.00 which earned interest amounting to P520.00 for 11
months. Find the rate of interest.
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