I buy coffee at a rate of RS 150, rs140 ,rs 130 per kg and mix them in proportion 8:5:3. at what price must I sell the mixture to make a profit of 20%
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Answer:
Add 150+140+130=420
Step-by-step explanation:
So, 20% of 420 will be
=420/100*20=84.
So profit on 1kg will be Rs 28.
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