Dance lessons cost $198.75 for 15 classes
What is the cost per class? What would the cost
be for 25 classes?

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

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

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.