book Maths Puzzle Numerical Ability

2(3x-5)>2x+6

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book Other Question

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