exam
Maths Puzzle
Numerical Ability
If you mix 140 mL of a 60% acid solution with 200 mL of a 30% solution you get a 350 mL of a _____% solution.
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exam Other Question
what is the solution to- 9x-3y=3
3X+8Y=-17
1/x + 1/y = -1,
x^3 + y^3 = 4,
solve the equations