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Maths Puzzle
Numerical Ability
One number is 2 more than twice another. If the product of the numbers is 2 more than twice their sum, find the numbers.
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book Other Question
Solve for X: 5(X + 2) - 7 (2X - 3) = 22
A) -1 B) -3/2 C) 3/2 D) 1
Mixing Antifreeze
A radiator holds 5 gallons of fluid. It is full with a 15% solution, how much fluid should be drained and replaced with 65% antifreeze mixture to result in a 40