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
If 3 balls are drawn at random from a bag containing 3 red and 4 blue balls, what is the expected number of red balls in the sample? Find the quotient and remainder of f(x)=x^4-2 divided by p(x)=x-1.