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How many approximate number of days are there between October 23, 1994 to December 14, 1995?
3. To buy a computer, Marie borrowed Php 3, 000 at 9% interest for 4 years. How much money does
she have to pay back?
4. Karen deposited Php 500 into a savings account at a local bank that earned 5% interest per year.
How much interest does she earn per year?
5. Jelo invested Php 23 500 in the stock market which guaranteed an interest of Php 2 878.75 after
three and a half years. At what rate would his investment earn?
Answer (1)
Answer:Problem 1: Days Between October 23, 1994, and December 14, 1995Solution: * Calculate the days in 1994: * From October 23, 1994, to December 31, 1994: 69 days * Calculate the days in 1995: * From January 1, 1995, to December 14, 1995: 347 days * Total days: 69 + 347 = 416 daysAnswer: There are approximately 416 days between October 23, 1994, and December 14, 1995.Problem 2: Simple Interest CalculationFormula: Simple Interest = Principal * Rate * TimeGiven: * Principal = Php 3,000 * Rate = 9% * Time = 4 yearsSolution:Simple Interest = 3000 * 0.09 * 4 = Php 1080Total amount to pay back: Php 3000 + Php 1080 = Php 4080Answer: Marie has to pay back Php 4,080.Problem 3: Interest Earned on Savings AccountFormula: Interest = Principal * RateGiven: * Principal = Php 500 * Rate = 5%Solution:Interest = 500 * 0.05 = Php 25Answer: Karen earns Php 25 in interest per year.Problem 4: Interest Rate CalculationFormula: Interest = Principal * Rate * TimeGiven: * Principal = Php 23,500 * Interest = Php 2,878.75 * Time = 3.5 yearsSolution:2878.75 = 23500 * Rate * 3.5Rate = 2878.75 / (23500 * 3.5) ≈ 0.035Convert to percentage: 0.035 * 100 = 3.5%Answer: Jelo's investment earned a rate of approximately 3.5%.PALIKE NMN PO!
