Answered: Out of 10 families, six families have…

Out of 10 families, six families have dogs, four have cats and two have neither cats nor dogs. Find the number of families that have both cats and dogs.

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section: Chapter Questions

Problem 16PT: In a competition of 50 professional ballroom dancers, 22 compete in the fox-trot competition, 18...

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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

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c) Out of 10 families, six families have dogs, four have cats and two have
neither cats nor dogs. Find the number of families that have both cats
and dogs.

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