20.50 * 0.8 = $16.40
16.40 * 0.4 = $6.56
Final selling price = $6.56
A)15000 x (9 : 100) x 3 = 4050
B) 15000 + 4050 = 19050
I hope it is correct ❤️
don't know if this might help but here
Step-by-step explanation:
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Answer: Is there a description box maybe vocab words
if so pls comment and i will give answer if answerable hence down in comment section.
Step-by-step explanation: