exam Maths Puzzle Numerical Ability

The Jaspers have a jar where they collect nickels, dimes, and quarters. When they count the change in the jar, there are twice as many nickels as there are quarters. If there is $1

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exam Other Question

Use the substitution method to solve the linear system.

y = x - 4
4x+y = 26
solve the equation by making an appropriate substitution:

(x)2/3 minus (x)1/3 minus 6 = 0