A sweater was on 20% discount. the amount of discount was $7 what was the original price?

How do you answer this question? (step by step)

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.