The answer is z = 4 because of you put 4 into the equation it equals to 100
Percent markup=amountmarkedup/original times 100
amountmarkedup=25-13.5.5=11.5
original=13.5
percent markup=11.5/13.5 times 100=0.85 times 100=85% markup
Answer:
13
Step-by-step explanation:
All you do is divide 39 by 3 and that gets 13