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Maths Puzzle
Numerical Ability
2(3x-5)>2x+6
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Here's the question. Can you show the work as well too. Thank you so much.
How much pure acid should be mixed with 2 gallons of a 40% acid in order to get a 70% acid?
Simplify and then write in radical notation, if appropriate.
5/4 13/8
a b
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1/2 11/8
a b
a square root 5/4 b square root 13/8 divided by a 1/2 b sq