1. a) How much money should be deposited into an account paying interest at a rate of 7.5% compounded quarterly so that at the end of 12 years the accumulated amount will be $28,960? marks b) Amy purchases new appliances costing $23,845 and agreed to finance the amount through the store for 18 months. The store will charge her 12% interest compounded monthly on the unpaid balance. How much is her monthly payments? How much interest is paid over the period? ii) iii) What is the unpaid balance after 12 months?
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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