Homework Help: math (8th grade)

Posted by megan on Thursday, February 10, 2011 at 6:02pm.

The length of each piece in a model train railroad built on the HO scale is 1/87 of the actual length. Another popular model is the N scale, for which the scale is 1/160.

Each car on a full-size passenger train is 80ft long. What is the length in inches of a model passenger car in the HI scale? In the N scale?

math (8th grade) - Ms. Sue, Thursday, February 10, 2011 at 6:11pm
HO gauge:

1/87 = x/80

Cross multiply and solve for x.
math (8th grade) - megan, Thursday, February 10, 2011 at 6:16pm
thank-you 4 the help
math (8th grade) - Ms. Sue, Thursday, February 10, 2011 at 6:22pm
You're very welcome.

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