For the following exercises, write a system of equations that represents the situation. Then, solve the system

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For the following exercises, write a system of equations that represents the situation. Then, solve the system using the inverse of a matrix.

Anna, Ashley, and Andrea weigh a combined 370 lb. If Andrea weighs 20 lb more than Ashley, and Anna weighs 1.5 times as much as Ashley, how much does each girl weigh?

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Precalculus

ISBN: 9781938168345

1st Edition

Authors: Jay Abramson

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