1. $7500 is deposited at a bank account that pays 3% interest compounded monthly. How much will theaccount worth after 5 years? 2. Amira deposited $2,000 into a savings account earning 2.6% APR compounded quarterly. How muchwill she have in her account after 10 years? 3. Matt invested $5,500 into an account earning 2.5% APR compounded continuously. What will hisbalance be after seven years? 4. How much money should be deposited in an account today that earns 3.5% compounded monthly sothat it will accumulate to $10,000 in 8 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. $7500 is deposited at a bank account that pays 3% interest compounded monthly. How much will the
account worth after 5 years?
2. Amira deposited $2,000 into a savings account earning 2.6% APR compounded quarterly. How much
will she have in her account after 10 years?
3. Matt invested $5,500 into an account earning 2.5% APR compounded continuously. What will his
balance be after seven years?
4. How much money should be deposited in an account today that earns 3.5% compounded monthly so
that it will accumulate to $10,000 in 8 years?
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