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Mathematics
Chima Sunday (Tutor)
10-06-2016 15:41:00 +0000Write your question here, Keep it simple and clear to get the best answer and explanation not only from the tutor, also from our over 2000 Genius in this forum.
When your question is answered, thank the person that answered it. If its in disagreement with what you think or you need more clarification ask question. Keeping silent is an offense, lol.
Best Wishes!!!
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Samson Oluwajuwon
Pls is there anyone that has any info about oau post utme
0 10-06-2016 16:11:00 +0000
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Adeyemi Blessing
Pls, I need a worked out solution on this question: After allowing a discount of 11.11%, a trader still makes a gain of 14.28%. At what percentage of interest does the trader mark his goods? A. 28.5% B. 35% C. 22.22% D. 20% E. None (Unilag 2013/2014)
0 15-06-2016 19:22:00 +0000
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Chima Sunday (Tutor)
Yah Adeyemi Blessing, i am aware, was expecting contributions from your co jambites. Nevertheless here is my solution.
Cost price % = 100
Selling price % = 100 + 14.28 = 114.28
If we designate the mark price % = y
so for a discount of 11.11% below the mark price, the selling price = (100 - 11.11)of y%
so that (100 - 11.11)y/100 = 114.28
by subject formular y = 114.28/88.89 * 100 = 128.5633%
recall that cost price = 100%
so mark price % = 128.5633 - 100 = 28.5633%
from the options given the option closest to this value is Option A, hence the answer.
You can ask questions if you have.0 20-06-2016 11:56:00 +0000
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