Question

a number consists of two digits.the digit at the tens place is two times the digit at the ones place. the number formed by reversing the digits is 27 less than the original number.find the original number.​

Answer 1

Answer:

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Step-by-step explanation:

Let the unit digit be x tense be y

no=10y+x

y=2x

10x+y=10y+x-27

9x-9y+27=0

x-y+3=0

x-2x+3=0

-x+3=0

x=3

y=6

Answer 2

Step-by-step explanation:

it's 30

...........I hope my answer is correct