Can someone help me solve this question?21-23 step by step Thanks! 21. Amanda's wages vary directly to the number of hours she works. If her wages for 5 hours are$29.75, how much will they be for 30 hours?22. The price per person of renting a bus varies inversely with the number of people renting thebus. It costs $12 per person if 60 people rent the bus. How much will it cost per person if 78people rent the bus?23. The length of a violin string varies inversely as the frequency of its vibrations. A violin string7 inches long vibrates at a frequency of 490 cycles per second. What is the frequency of a 10inch string?

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Answered: 21. Amanda's wages vary directly tc…

Math

Algebra

21. Amanda's wages vary directly tc $29.75, how much will they be f

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter8: Introduction To Functions

Section8.10: Inverse Variation

Problem 1P

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Question

Can someone help me solve this question?21-23 step by step Thanks!

21. Amanda's wages vary directly to the number of hours she works. If her wages for 5 hours are
$29.75, how much will they be for 30 hours?
22. The price per person of renting a bus varies inversely with the number of people renting the
bus. It costs $12 per person if 60 people rent the bus. How much will it cost per person if 78
people rent the bus?
23. The length of a violin string varies inversely as the frequency of its vibrations. A violin string
7 inches long vibrates at a frequency of 490 cycles per second. What is the frequency of a 10
inch string?

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