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1. What is the value of X in a triangle that has 110° and 30°: 70°, 80°, 90°?
2. A map scale is 1cm to 20km. What is the real distance between two places which are 0.5 apart on the map?
3. When a jeweller sold a ring for €150, he made a profit of 50%. How much did the ring cost him at first?
4. A map has a scale of 1cm to 10km. What length of line on the map would represent a real distance of 40km?
5. Carpet is €6 per metre squared. If it cost €72 to cover a floor which is 3m wide, what is the length of the floor?
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