Year Timber Volume (cubic feet) 10 20 20 50 30 110 40 180 50 240 60 290 70 230 80 360 90 380 100 390
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.
Use the following potential harvest years of timber (in cubic ft) from a forest, assume that the price of timber is $1 (net of harvest costs) per cubic foot and the interest rate is 10%
1) from a biological perspective, the best year to harvest timber is in the year?_____
2) if timber is to be harvested and replanted over an infinite horizon, the best harvest period is less than? _____
3) the present value of timber harvest in year 30 is? ______
4) if timber is to be harvested only once, the best harvest year is? _______
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