Let's firstly convert the mixed fraction to "improper" and then proceed,

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
Step-by-step explanation:
1+2√2 ²π = 9+4√2 π cm² thats my answer
Answer:
11, 13, 17, 19,
Step-by-step explanation:
dunno
Answer: 152
Step-by-step explanation:
Let the number = x.
Therefore, x*25% = 38
25% as a decimal is 0.25.
So, 0.25x = 38
We can divide both sides by 0.25:
x = 152