The EPA standard for safe drinking water is a maximum of 1.3 milligrams of copper per liter of water. A water testing firm found
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X + 4 = 12
This is because the question gives you everything you require for this sentence to be formed. 12 is the final answer. 4 is added on and
is basically the number that is to be found.
This is because the question gives you everything you require for this sentence to be formed. 12 is the final answer. 4 is added on and