b) If she made a profit of GH¢12,000.00 from the sales, Find; (i) the number of pen drives she originally bought (ii) the cost price for a pen drive. c) This same trader has decided to set up a sinking fund for the purpose of purchasing a truck in 2 years' time. It is expected that the truck will cost GH¢ 30,000. If the fund earns 10% interest per year compounded quarterly, determine the size of cach (equal) quarterly installment the trader should pay into the fund.
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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