Please please please help - I am completely lost - what do I do here?
Steel is an alloy of iron and nickel. A steel recycling company has two piles of scrap steel. Pile A contains steel with 5.25% nickle content. Pile B contains steel with 2.84% nickel. The company has an order for 32.5 tonnes of steel containing 4.15% nickle. How mach scrap steel should be taken from each pile for reprocessing?