SOLUTION: A photograph is mounted on a card which is 20cm wide and 30cm tall, so as to leave a margin 3 cm wide at the top and at each side. if the photograph is similar to the mount, what w

Question 1069670: A photograph is mounted on a card which is 20cm wide and 30cm tall, so as to leave a margin 3 cm wide at the top and at each side. if the photograph is similar to the mount, what width of margin will be left at the foot of the mount?
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
Draw the description and label everything you can.
If let h be the margin at the foot of the mounting card, then the dimensions of the photograph will be these:

Width:
Tall:

The photograph and the mounting card were described as being similar, therefore their linear measures or dimensions, are in proportion.

Try to finish this the rest of the way.
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