Question

A jeweler has 5 rings, each weighing 12 g, made of an alloy of 5% silver and 95% gold. She decides to melt down the rings and add enough silver to reduce the gold content to 75%. How much silver should she add?.

Answer 1

Answer: 15 grams i think

Explanation: so 5 rings in total is 60 grams and 5 percent of that is 3 grams but now that the gold is 75 percent the silver percentage is 25 so 25 percent of 60 grams is 15 grams