09/14/12
(–1)(4 – c)simplify using distributive property
simplify using distributave property
(-1)(4-c)
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09/12/12
how many liters of 40% antifreeze solution must be mixed with 8 liters 70% antifreeze solution to get a 50% antifreeze?
I know that the answer is 16, I just dont know how that answer is found
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