Answer:
10% markup
Explanation:
500 x 20 = 10000
10000 - 9000 = 1000
1000/10000 = 10
Answer: The answer is 11%
1) 500*20-9000= 1000
2) $1000/$9000× 100%
= 0.111111111
3) answer = 11%
Hey, everyone! I had this problem too and I tried doing 10% but that's NOT the answer, 11% IS!!
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