Problema Solution

The ratio of length to width of a computer monitor is 2 : 1. Assume that Avery has a monitor that is 15cm wide.

a) What are the dimensions of a monitor that has a scale factor of 3

b) What are the dimensions of a monitor that has a scale factor of 1/5

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Let x represent the length


x : 15 = 2 : 1

........


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........

x = 30 cm


a) What are the dimensions of a monitor that has a scale factor of 3


The length is: 3*30 = 90 cm


The width is: 3*15 = 45 cm


b) What are the dimensions of a monitor that has a scale factor of 1/5


The length is: (1/5)*30 = 6 cm


The width is: (1/5)*15 = 3 cm