You need to be reimbursed for the 36 light bulbs you bought. Unfortunately, the receipt is smudged and you can only read $x82.5y where the spacing tells you that x and y are digits. You are sure that the bulbs were less than $15 each. How much did they cost? Use congruences to determine your answers. Show all the necessary work to obtain your answer.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 24RE: A ladder has 15 tapered rungs, the lengths of which increase by a common difference. The first rung...
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You need to be reimbursed for the 36 light bulbs you bought. Unfortunately, the receipt is smudged and
you can only read $x82.5y where the spacing tells you that x and y are digits. You are sure that the
bulbs were less than $15 each. How much did they cost? Use congruences to determine your answers.
Show all the necessary work to obtain your answer.

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