Question

the sum of the digits of a two digit number is 12, if the digits are reversed, the new number is 4/7 times the original one, find the number

Answer 1

Answer:

Answer. 2y+y=12=> 3y=12=> y=4. x=2y=2(4)=8. So the original number is 8(10)+4=84.

Step-by-step explanation:

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