exam
Maths Puzzle
Numerical Ability
you want 100 gal. 14% solution. How much 8% solution must be mixed with how much 16% solution to get 100 gals of 14%
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exam Other Question
Solve for x:
x^2+5x=6(x+2)
Jack invests $1000 at a certain annual interest rate, and he invests another $2000 at an annual rate that is one half percent higher. If he receives a toal of $190 interest in one