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Maths Puzzle
Numerical Ability
9x^2=64
9x^2=squre rt of 64
9x^2=8
I am stuck after this
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book Other Question
How many gallons of a 20% juice drink should you mix with 10 gallons of 60% juice drink to obtain a 30% juice drink?
I don't have my work paper here. I came up with 10 gallons.
Make sure the final answer is simplified.
2/5+1/5 3/4+2/3 1/2-5/7 -12/7-3/14 5/8*4/10 2/9+5/3