A number consists of two digits whose sum is 10. If 36 is added to the number, its digits are interchanged. Find the number
Answers
Answered by
7
Answer:
Therefore, the original number, xy (=10*x + y) = 30 + 7 = 37. Check: 37 + 36 = 73. Good luck! The sum of digits of a two digit number is 5.
Answered by
5
Answer:
37
Step-by-step explanation:
let unit digit is y
ten's digit is x
Number becomes 10x+y
given:x+y=10->equation 1
if digits are interchanged number becomes 10y+x
36+number=new number
36+10x+y=10y+x
9(x-y)=-36
x-y=-4->equation 2
from equations 1,2
x=3,y=7
SO NUMBER IS 37
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