Answered: Nine adults and two children need to…

Nine adults and two children need to cross a river in a small boat that can hold one adult or one or two children. How many one-way trips will it take for all of them to cross the river?

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter7: Systems Of Equations And Inequalities

Section7.2: Systems Of Linear Equations: Three Variables

Problem 59SE: A local band sells out for their concert. They sell all 1,175 tickets for a total purse of...

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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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Nine adults and two children need to cross a river in a small boat that can hold one adult or one or two children.

How many one-way trips will it take for all of them to cross the river?

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