exam
Maths Puzzle
Numerical Ability
Evaluate the expression if x=-5 and y=7
2x^2y^-2
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exam Other Question
21. A student at the university of New Orleans makes money by buying and selling used cars. Charles bought a used car and later sold it for a 20% profit. If he sold it for $4680, how much did Charles pay for the car?
Solve for x:
(x-3)(x+1)>(x+2)(x-1)