1) How much should you invest at 6% annual interest rate to obtain a simple interest of P72,000 in 3 years?
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
1) How much should you invest at 6% annual interest rate to obtain a simple interest of
P72,000 in 3 years?
2) Peter borrowed P100,000 at 8% compounded annually? How much will he be paying
after 2 years?
3) A time deposit account in a bank yields 5.5% compound interest annually. Jennifer
invested P450,000 for 4 years in this savings account. How much interest will she gain?
4) In order to have P250,000 in 5 years, how much should you invest if the compound
interest is 12%?
5) How much money must be invested to obtain an amount of P150,000 in 2 years if
money earns at 10.5% compounded annually?
6) What amount must be deposited by a student in a bank that pays 2 % compounded
annually so that after 12 years he will have P100,000?
7) Nora is thinking of investing an amount of P30,000 for 2 1⁄2 years. Find the future value
based on the following investments:
a. Simple interest of 8.5%
b. 8.5% compounded annually
c. Which investment is better? Justify your answer.
8) How much should you set aside and invest in a fund earning 9% compounded quarterly
if you want to accumulate P200,000 in 3 years and 3 months?
9) How much should you deposit in a bank paying 2% compounded quarterly to
accumulate an amount of P80,000 in 5 years and 9 months?
10) Miko has P250,000 to invest at 6% compounded monthly. Find the maturity value if he
invests for 2 years?
11) Yohan sold his car and invested P300,000 at 8.5% compounded quarterly. Find the
maturity value if he invests for (a) 3 years? (b) 6 years?
12)
Maryam is planning to invest P150,000. Bank A is offering 7.5% compounded semi-
annually while Bank B is offering 7% compounded monthly. If she plans to invest this
amount for 5 years, in which bank should she invest?
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