3) [2.6] Translating English to Algebraic Symbols. For each phrase given below, define one or more variables to stand for the unknown quantities. Be sure that your definition includes the quantity which the variable is representing, as well as the units being used to measure the variable. (If units are not specified in the question, use any units that seem reasonable for that situation ) Then, write an algebraic expression to represent the phrase. a) Four-fifths of the savings account balance b) The height of the child decreased by six inches e) Ten miles less than twice the distance to the city
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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