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Maths Puzzle
Numerical Ability
9x-3=8x-1
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Please help me to simplify the following fraction:
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(x^3+2x^2y+2xy^2+y^3)(3x^2+8x-3)
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(3x^2-x+3xy-y)(x^4+3x^3-xy^3-3y^3)
If a 4.4-pound bag of dog food costs $3.52, what is the cost per pound?
my answer is 80 cents a lb?