exam Maths Puzzle Numerical Ability

tickets for homecoming dance cost $20 for a single ticket or $35 for a couple. ticket sales totaled $2280, and 128 people attende. how many tickets of each type were sold?

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exam Other Question

2/sqrt[3] + sqrt[2]
Can you help me rationalize the denominator? I really apprecuate your help. It would help so much if you could show me how you do this.
Evaluate

-c2nd power - 5(c0 power + d)2nd power if c = -3 and d = 4