Question

find x such that :
a) x : 7 = 12 : 84
b) 102 kg : x :: 34m : 110m
c) x : 12 :: 12 : 7



please solve it fast.
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Answer 1

Step-by-step explanation:

a) x/7 =12/48

x = 12*7/48

x = 1.75

c) x/12 = 12/7

x = 12*12/7

x = 20.57