Question: Set up an appropriate equation and solve. Data are accurate to two significant digits unless greater accuracy is given. A cars radiator contains 12L of

Set up an appropriate equation and solve. Data are accurate to two significant digits unless greater accuracy is given.

A car’s radiator contains 12L of antifreeze at a 25% concentration. How many liters must be drained and then replaced by pure antifreeze to bring the concentration to 50% (the manufacturer’s “safe” level)?

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