There are no options, but I would assume that these sequences would be geometric: 16, -8, 4, -2, 1 -15, -18, -21.6, -25.92, -31.104, 625, 125, 25, 5, 1 can possibly be the correct ones.
Answer is 36.
20 * 80/100 = 16
20+16=36
Unit price - price of one
0.95/5= 0.19p
hope this helps
Answer:

Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.