Two types of ornaments are made by mixing gold and copper in different ratios. In the first type, 6 grams of gold is combined with 5 grams of copper. ...
Question
Two types of ornaments are made by mixing gold and copper in different ratios. In the first type, 6 grams of gold is combined with 5 grams of copper. In the second type, 5 grams of gold is combined with 3 grams of copper. If the total amount of gold used is 122 grams and the total amount of copper used is 90 grams, how many ornaments of the second type are made? (Assume all gold and copper are used.)