SOLUTION: A photograph that measures 5cm by 12cm is enlarged to a width of 7cm. What is the scale factor of the enlargedment? Find

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Question 767386: A photograph that measures 5cm by 12cm is enlarged to a width of 7cm. What is the scale factor of the enlargedment? Find the length of the enlargement? Find. The area of the photograph and its enlargement?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
5cm -> 7cm
1 : 1.4
12cm -> 16.8cm
Area of original = 60cm^2
Enlargement = 117.6cm^2
Hope this helps.
:-)