A shopkeeper mixes sugar costing Sh.40 per kg with another type which costs Sh.60 per kg. Find the ratio in which the two types...

      

A shopkeeper mixes sugar costing Sh.40 per kg with another type which costs Sh.60 per kg. Find the ratio in which the two types should be mixed so that if a kilogram of the mixture is sold at Sh.55, a profit of 10% is realised.

  

Answers

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Kavungya answered the question on September 25, 2019 at 05:26

Next: Find the inverse of the matrix hence use the matrix method to solve the simultaneous equations. 2x -2y =6 3x + y = 5
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