exam
Maths Puzzle
Numerical Ability
a lab technician has 8 liters of a 15 percent solution of acid. How much distilled water must be added to reduce the concentration of acid to 10 percent?
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exam Other Question
find all the values of x satisfying the given conditions:
y = (x+9)^(3/2) and y = 343
I need help with solving this inequality
2(x+2)<3/4x-1