O 1.3 1.4 1.1 Explain the meaning of the scale 1:2.5 1.2 Using the scale, determine the size of the medal in the picture, in cm. What percentage of the medal is made from gold and diecast metals? Write a simplified ratio for the quantity of gold and diecast metals to silver, in a medal. 1:2,5 1.5 If the gold content in a medal is equivalent to 5%, how much in does the medal contain? grams of silver 1.6 The table below shows the predicted medal count, of the top 6 Olympic contenders. What is the probability that a country in the top 6 will win more silver than gold medals? Give your answer as percentage.