exam Maths Puzzle Numerical Ability

5floz. of a 2% alcohol solution was mixed with 11floz. of a 66% alcohol solution. Find the concentrationof the new mixture.

I need to know how to set the problem up! thanks

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exam Other Question

When using the Remainder Theorem and the divisor is of the form x + b, what value is used in f(x) to define the value of the remainder?

a. b
b. 0
c. -b
d. You have to kno Please help me with the following. Thanks in advance.

sqrt of x-2=1

sqrt of x^3=27

3^sqrt x^2=9

Is (sqrt of x)^2 an identity (true for all nonnegative values of x)?