My kitchen clock is working properly but was showing 10:06, which I know is the wrong time, when I left to walk to my friend's house for coffee. My friend's clock, which was correct, was showing 10:28 when I arrived and 11:15 when I left. I walked home at the same speed as when I went, and when I arrived home my clock was showing 11:55. I then adjusted my clock to the correct time. How many minutes back did I have to move my clock? 9 minutes 20 minutes C 22 minutes 31 minutes

My kitchen clock is working properly but was showing 10:06, which I know is the wrong time, when I left to walk to my friend's house for coffee. My friend's clock, which was correct, was showing 10:28 when I arrived and 11:15 when I left. I walked home at the same speed as when I went, and when I arrived home my clock was showing 11:55. I then adjusted my clock to the correct time. How many minutes back did I have to move my clock? 9 minutes 20 minutes C 22 minutes 31 minutes

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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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

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.

Question

My kitchen clock is working properly but was showing 10:06, which I know is the wrong time,
when I left to walk to my friend's house for coffee. My friend's clock, which was correct, was
showing 10:28 when I arrived and 11:15 when I left. I walked home at the same speed as when I
went, and when I arrived home my clock was showing 11:55. I then adjusted my clock to the
correct time.
How many minutes back did I have to move my clock?
9 minutes
20 minutes
22 minutes
31 minutes
Students, diaw anywhere on this slidel

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