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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.
Samantha Greg received advanced an advanced payment of $10,000 for her novel. The royalty payment per book is $1.45 for every book sold in Europe and $1.25 for every book sold in the Asia-Pacific region.
Let X represent the number of books sold in Europe
Let Y represent the number of books sold in Asia-Pacific
The mathematical expression that can be used to calculate the number of books needed to be sold to cover the advance that Martha received is:
10000 = 1.45X + 1.25Y
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