What type of math is this problem below? (example 6) ​

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

Which number produces a rationale number when multiplied by 1/5

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers