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Answered

The sum if the digit in a two-digit number is thirteen.If the digit of the number are reversed, the new number is nine more than the original number. What is the original number

Sagot :

Deverashirlybellego

Answer:

67

Explanation:

a+b=13⟹b=13−a

10b+a=10a+b+9

⟹(130−9a)+9a=(9a+22)+9a

⟹130−22=(18a+22)−22

⟹18a18=10818

a=6⟹b=7

⟹10a+b=67

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