At a particular theatre, adult tickets cost $12.50 each and student tickets cost $8 each. At a certain show, only adult and student tickets were sold. If twice as many student tickets as adult tickets were sold and the total sales were $2,280, then how many adult tickets were sold?

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?