Answer:
1: 3/4 = 6/8 = 9/12
2: 2/3 = 4/6 = 6/9
3: 8/9 = 16/18 = 24/27
Step-by-step explanation:
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521,370 = 521,400
26,839 = 26,800
521,400 + 26,800 = 548,200
Therefore the correct answer is A
Hope this helps
-AaronWiseIsBae
5x-13y+2 hope this helps []~( ̄▽ ̄)~*