steveanh12
steveanh12
21-08-2016
Mathematics
contestada
a 9-kg of mangoes for 12$_____per kg
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WorldlyGlass49
WorldlyGlass49
21-08-2016
If 9kg costs 12$, then a single kg costs around 1.3$
This is done with a simple proportion
9 : 12 = 1 : X
x = 12/9
x = 1.33
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