If we take 54 to be the reduced price, and "x" to be the original price, now "x" is the 100%, and 54 is the 100% - 10%, or 90%.
The answer is 2
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Answer:
1) 30
2) 1
3) 72
4) 0
5) 6
6) 2
7) 80
11) 16
12) 75
13) 31
14) 36
15) 0
16) 26
17) 52
Step-by-step explanation: