KOFI MENSAH borrows GHS 10,000 on a mortgage. The principal is to be paid by annual payments, the first payment to be GHS170, the payments increasing by GHS40 annually thereafter. How long will it take to pay off the mortgage? The population of a city is increasing at the rate of 6% each year. If the population is 50,000 in 2010, what will be the population in 2020?
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.
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