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/sci/ - Science & Math

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>> No.2644376 [View]
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2644376

This math problem is kicking my ass:
The coolant in a car radiator is a mixture of antifreeze and water. The recommended mixture for your car is 50% antifreeze. If you have a mixture of 7 liters of coolant that is 40% antifreeze, how much antifreeze should you add to bring the mixture up to the recommended level?

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