3) The first angle in a triangle is three times that of the second angle. The second angle is two times that of the third angle. Find the ratio of the angles in the triangle.
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4) The scale of a map measures 1 inch : 1250 miles. If the distance between two cities measures 3 inches on the map, find the actual distance between the two cities on the ground.
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5) A sum of $2,700 is shared among Eric, Jo and Richard. Jo's share is two times that of Richard's share. Eric's share is three times that of Jo's share. Find Eric's share.
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