A survey was conducted where people were asked whether they have a preference for cats, dogs, birds, or no preference. The subjects may have preferred more than one animal. The Venn diagram below summarizes the results of the survey, and the values shown in the diagram are the number of people in each each subset. Cats, Dogs 14 5 6 Birds a. How many people preferred cats, but not dogs? b. How many people preferred both birds and dogs? 8 c. How many total people preferred cats? 29 d. How many total people were surveyed? Remember to include those that chose no preference.
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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