To convert kilograms to pounds, Abby halves the number of kilograms, n, then subtracts 10% from the result of that calculation, whereas Renato subtracts 10% first and then halves the result. (a) Write an algebraic expression for each method. (b) Do the methods give the same answer?

To convert kilograms to pounds, Abby halves the number of kilograms, n, then subtracts 10% from the result of that calculation, whereas Renato subtracts 10% first and then halves the result. (a) Write an algebraic expression for each method. (b) Do the methods give the same answer?

Algebra for College Students

10th Edition

ISBN:9781285195780

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter11: Systems Of Equations

Section11.CT: Test

Problem 23CT

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Question

To convert kilograms to pounds, Abby halves the number
of kilograms, n, then subtracts 10% from the result
of that calculation, whereas Renato subtracts 10% first
and then halves the result.
(a) Write an algebraic expression for each method.
(b) Do the methods give the same answer?

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