exam Maths Puzzle Numerical Ability

How many gallons of 12%solution must be mixed with a 37%solution to obtain 100 gallons of 22% solution?

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exam Other Question

-2 + 3 = 7p
p+1 3(p+1)
simplify
The numerator in a rational function defines that function’s:
However, any value of ‘x’ that drives R(x)’s numerator to zero defines the location of R(x)’s zeroes.
a. Zeroes
b.