Question 426171
.25x=2
x=2/.25=8
If Charlie adds 6 ltrs of water to his 2 ltrs. of pure anti-freeze, he'll have 8 liters of 25% anti-freeze
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.0005x=2
x=2/.0005=4000
Charlie needs 3998 ltrs. of water to add to his 2 liters of anti-freeze to make a .05% solution. Is this feasible? Could be-- if you mix it in a swimming pool..