There were 3/7 as many tables as chairs in a school hall. Mr. Chan added 60 tables and 60 chairs into the school hall for an event. As a result, the number of tables was 3/5 the number of chairs. How many chairs were in the hall in the end?

There were 3/7 as many tables as chairs in a school hall. Mr. Chan added 60 tables and 60 chairs into the school hall for an event. As a result, the number of tables was 3/5 the number of chairs. How many chairs were in the hall in the end?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

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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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