A coffee trader buys two grades of coffee at sh. 80 and sh. 100 per parket . Find the ratio at which she should mix...

A coffee trader buys two grades of coffee at sh. 80 and sh. 100 per parket . Find the ratio at which she
should mix them so that by selling the mixture at a sh. 120, a profit of 25% is realized.

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Let xkg of grade costing shs.80 be mixed with ykg of grade costing shs.100
Cost = 80x + 100y
Selling price = 125 (80x + 100y)
100
= 100x + 125y
Selling price of mixture = 120(x + y)
120x + 120y = 100x + 125y
120x – 100x = 125y – 120y

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Kavungya answered the question on September 20, 2019 at 06:27

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