Dominic went to the car dealer to buy a car. He wanted the same car that his friend Barbara had bought the day before, which had a sticker price of Php850,000. The salesman said he could give a discout and ordered Dominic a significantly reduced price. However, Dominic knew that Barbara had received a 20% discount, and the salesman offered him only a 10% discount. When Dominic emphasized that his friend received a 20% discount the day before, the salesman took another 5% of the 10% discounted price. Dominic was satisfied with the new price and bought the car, thinking he had paid the same price as Barbara. Was he right? Did they both pay the same price?
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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