Problema Solution
a:b=12:5 and b:c=9:8 then a:b:c=?
Answer provided by our tutors
LCM(5, 9) = 45
a : b = 12 : 5 = (12*9) : (5*9) = 108 : 45
b : c = 9 : 8 = (9*5) : (8*5) = 45 : 40
a : b : c = 108 : 45 : 40
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