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two types of flour X and Y cost sh.60 and 72 per kilogram respectively. they are mixed such that one kilogram of mixture costs sh.70. work out ratio in which they were mixed​

 Jul 19, 2020
 #1
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60 x   +   72 (1-x) = 70 (1)

- 12x = -2

x = 1/6  per kilo  of x      5/6 per kilo of y

 

ratio   x:y   =    1:5

 Jul 19, 2020

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