Question 1023880
Heath wants 10 L of a solution that is 90% bleach. He will combine pure bleach with a mixture that is 20% bleach. Solve the system.  How many liters of pure bleach will heath use. How many liters of the 20% mixture will he use
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p = pure bleach
t = 20% bleach
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p + t = 10 (total solution)
100p + 20t = 10*90 (total bleach)
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etc