Find the price of a $50 item after a 20% discount

Need answer asap (see image) (20 points)

Determine whether the sequence converges or diverges. if it converges, give the limit. 108, -18, 3, ,

The price of a box of 15 cloud markers is $12.70. the price of a box of 42 cloud markers is $31.60. all prices are without tax, and the price of the packaging is the same for any size. how much would 50 cloud markers in a box cost? write an equation which will tell the price p for the number n markers in the box.