Question

a number consists of two digits whose sum is 9. if 27 is subtracted from the number it's digits are reversed.find the number
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Answer 1

Answer:

99

because 9+9=18=1+8=9 so if we subtract 27 from 99 it becomes 72 ,So numbers are reversed 27 reversed 72

Step-by-step explanation:

Answer 2

Step-by-step explanation:

9=1+8

27-9=18

1,8=18

hence prove