exam Maths Puzzle Numerical Ability

Adult tickets for a play cost $15 and child tickets cost $6. If there were 33 people at a performance and the theater collected $360 from ticket sales, how many children attended the play?

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exam Other Question

Solve the system of equations algebrically.
Eliminate the z variable.

2x-y+4z=-2
3x-2y-z=-3
x+4y+2z=17
Factor: -4ax^2 + 2x^3 + 2x^4