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Maths Puzzle
Numerical Ability
hey ths is ashley i have u major qustion will you help me on this question -2/5(10x-25)=8x+4
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How many gallons of 40% acid solution must be mixed with 30 gallons of 16% solution to obtain solution of 30% acid?
_4a___
2a^3+2
_________
___8a____
4a+4
Simplify the complex fraction.