4. A number of two digits has 5 for its units digit and the sum of digits is 1/9 of the number itsell
What is the number?
Answers
Answered by
1
Answer:
1×9=9; 2×9= 18; 3x9=27 ; 4×9=36; 5×9=45; 6×9=54; and so on . Since the unit digit is 5 the answer is 45.
Answered by
1
Answer:
The number is 45
Step-by-step explanation:
From given data the number is X5 =10X +5
X + 5 =(1/9)X5=(1/9)(10X+5)
9(X+5)=10X +5
9X +45 =10X +5
X =40
The number is 45
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