A new car is purchased for 19700 dollars. The value of the car depreciates at 9.25% per year. To the nearest year, how long will it be until the value of the car is 5500 dollars?
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.
Original price of the car = 19,700 dollars
Each year its value depreciates by 9.25%.
Next year its price will be
This way the price of the car will go down until the year the value of the car becomes 5,500.
The equation becomes
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