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7)The distance between two cities on a map is 3.6 cm. and the map
was drawn with a drawing scale 3 : 5 000 000 ,Find the real distance
between the two cities in km.
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8)A picture of Cairo Tower was photographed with a scale 1 : 7 000 ,
Find the real height of the tower if its height in the picture is 2.7 cm.
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9) ) A magnified picture of an insect was taken with an enlargement
ratio 100 : 1, if the length of insect in the picture is 2.5 cm. What is
the real length of insect ?
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