Mathematics, 10.12.2020 16:50 ShortCakes02
An auto mechanic has two bottles of battery acid. One bottle contains a 10% acid solution, and the other contains a 4% acid solution. How many units of each solution are needed to make 120 units of a 6% acid solution?
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An auto mechanic has two bottles of battery acid. One bottle contains a 10% acid solution, and the o...
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