Outline Mathematics Word Problems Cars and motorcycles Even at an auto repair shop there is some mathematics:   A shop repaired 40 vehicles (cars and motorcycles) in a month. The total number of wheels was 100. How many cars and motorcycles were repaired? Solution 1 Solution 2 Solution 3 Copyright © 1996-2008 Alexander Bogomolny                             Solution 1   A shop repaired 40 vehicles (cars and motorcycles) in a month. The total number of wheels was 100. How many cars and motorcycles were repaired? (In the applet below, click on the underlined omitted expressions. See what happens.) // formulations This applet requires Sun's Java VM 2 which your browser may perceive as a popup. Which it is not. If you want to see the applet work, visit Sun's website at http://www.java.com/en/download/index.jsp, download and install Java VM and enjoy the applet. References Ya. I. Perelman, Fun With Maths and Physics, Mir Publishers, 1988 Copyright © 1996-2008 Alexander Bogomolny                                         Solution 2   A shop repaired 40 vehicles (cars and motorcycles) in a month. The total number of wheels was 100. How many cars and motorcycles were repaired? (In the applet below, click on the underlined omitted expressions. See what happens.) // formulations This applet requires Sun's Java VM 2 which your browser may perceive as a popup. Which it is not. If you want to see the applet work, visit Sun's website at http://www.java.com/en/download/index.jsp, download and install Java VM and enjoy the applet. References Ya. I. Perelman, Fun With Maths and Physics, Mir Publishers, 1988 Copyright © 1996-2008 Alexander Bogomolny                                         Solution 3   A shop repaired 40 vehicles (cars and motorcycles) in a month. The total number of wheels was 100. How many cars and motorcycles were repaired? (In the applet below, click on the underlined omitted expressions. See what happens.) This applet requires Sun's Java VM 2 which your browser may perceive as a popup. Which it is not. If you want to see the applet work, visit Sun's website at http://www.java.com/en/download/index.jsp, download and install Java VM and enjoy the applet. References Ya. I. Perelman, Fun With Maths and Physics, Mir Publishers, 1988 Copyright © 1996-2008 Alexander Bogomolny

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