which of the following pairs of ratio is not equinalent a)4: 12 and 2:6 b)6:24 and 21:28 c)10:33 and 18:44 d)9:12 and 21:28.
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Answer:
b&c
Step-by-step explanation:
B=1:4&3:4
C=10:33&9:22
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