Answer+Step-by-step explanation:

Answer:
C. he did not multiply the numerator by 2
Step-by-step explanation:
To find an equivlent fraction, you must multiply the numerator and denominator by the same thing.
Step-by-step explanation:
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Answer:
1. 47.3
2. 7/9
Step-by-step explanation:
100-52.7=47.3
2/9+7/9= 9/9 which is 1