Which situation could best be represented by this linear equation?
3x+7y=357
a. Student tickets are $4 less than non-student tickets. The variable æ represents the number of non-student tickets sold and variable y represents the number of student tickets sold. The sales total was $357.
b. Non-student tickets are $7 more than student tickets. The variable x represents the number of student tickets sold and variable y represents the number of non- student tickets sold. The sales total was $357.
c. There were 7 more student tickets sold than non-student tickets. The variable x represents the number of student tickets and the variable y represents the number of non student tickets sold. The sales total was $357.
d. Student tickets are $4 less than non-student tickets. The variable x represents the number of student tickets sold and variable y represents the number of non- student tickets sold. The sales total was $357.