Solve what is asked in the following problems.Show your solutions and label your answers on your answer sheet.
1.) Sheila has P25,000 to invest. She wants her money to earn an interest of P12,000.She is considering a bank that is offering 5.8% interest per year. For how many years will she have to leave her money in the bank in order to earn an interest of P12,000? Round your answer to the nearest two decimal places.
2.) April sold P28,500 worth of advertisement for an annual souvenir program.If her commission was P1,282.50,what was her commission rate?
3.)What is the principal amount if the interest is 3.5% a year and the amount of interest is P183.75 for 21 months.
4.)Elleda earned 15% commission for selling a refrigerator that she sold for P75,900.She deposit 40% of her commission in the bank that offered 3% interest annually on savings.How much money did she deposit?How much interest did her money earn after 2 years.
5.)A set of 6 pieces notebook sells for P150 and the sales tax is 6%.What is the total cost of a set of 6 pieces notebook including the sales tax?
6.)Marina invested P25,000 in a savings bank account that earned 7.5% interest per annum.Find the interest earned of her savings if the amount was left in the bank for 3 years.
7.)Carlito sold a washing machine.He was given 7.5% commission amounting to P1,012.50.How much was the cost of the washing machine?​