Suppose you wish to purchase a home. There are many factors Po to consider in a home, such as price, location, acreage, year built, tax rates, and nearby amenities. You decide to rate each home you visit on a 1-10 scale, with 10 being the best in each of the listed categories. However, you don't value all of these factors the same. Perhaps your budget is more constrained, so you wish to weight the price with more importance. You allocate 100 points of weight among the factors as follows: Weight Factor Price Location 25 Acreage Year Built Tax Rates 10 5 10 Amenities 10 Total 100 You visit three houses, H1, H2, and H3 and score each each factor in the table below: H3 Weight H1 H2 Factor Price 2 10 40 Location 5 10 25 2 Acreage Year Built 2 10 8. 10 3 Tax Rates 4 2 10 Amenities 10 10 10 Total 100 3. (a) Calculate the weighted average score of each house, and select the best house accord- ing to this criterion. (b) Change the weights as follows: Weight Factor Price 30 Location 15 Acreage Year Built 10 Tax Rates 20 Amenities 20 Total 100 Recalculate the weighted average score for each of the three houses above. With your criterion changed, has your decision about which house is best changed?
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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