<PRE><B>Question 549883</B>
Randy used a scale factor of 5:2 to enlarge a photograph. 
The original dimensions of the photo are 6 cm and 9 cm.
 What are the dimensions of the new photo? 
:
Find the new value of one of the dimensions when it is enlarged
{{{5/2}}} = {{{w/6}}}
2w = 5*6
2w = 30
w = 15 is the enlarged width
:
Find the relationship to the 2nd dimension
{{{6/9}}} = {{{15/L}}}
6L = 9 * 15
6L = 135
L = 135/6
L = 22.5 is the enlarged length
:
15 by 22.5 is the enlarged dimensions
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