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Maths Puzzle
Numerical Ability
What quantity of 60 per cent acid solution must be mixed with a 20 per cent solution to produce 720 mL of a 50 per cent solution?
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can you please provide me an explanation of why the change of base formula can be proven. I need to provide proof why this works and I am having trouble finding the answer!!! Thank you for any help you provide.
Can someone help me solve this problem
Determine if the given rates are equivelent
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12 gallons of paint/8,329 ft.2 = 9 gallons of paint/1,240 ft.2