The sum of digits of a 2 digit number is 9 the number is 6 times the unit figit find the number
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Answer: let x be unit place
y be 10's place
Then x+y = 9.....(1)
Given number is 6 times its unit figure ie
x+10y = 6x
10y= 5x
y = x/2
From (1) x + x/2 = 9
3x/2 = 9
3x= 18
x= 6
y = x/2 = 6/2 =3
x+ 10y = 6 + 10(3) = 36
Number is 36
Step-by-step explanation:
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