In a 2 digit number the face value of the digit in the tens place is double the face value of the digit in the ones place if the sum of the two face value is 12 fine the 2 digit number

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$D e a r S t u d e n t, L e t t h e d i g i t a t t e n s p l a c e b e 2 x, t h e n t h e d i g i t a t o n e s p l a c e w i l l b e x T h e r e f o r e t h e s u m o f u n i t p l a c e a n d t e n s p l a c e i s 2 x + x w h i c h i s e q u a l t o 12 . x + 2 x = 12 \Rightarrow 3 x = 12 \Rightarrow x = 4 a n d 2 x = 8 N u m b e r w i l l b e 84 . R e g a r d s$

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In a 2 digit number the face value of the digit in the tens place is double the face value of the digit in the ones place if the sum of the two face value is 12 fine the 2 digit number

Dear Student,Let the digit at tens place be 2x, then the digit at ones place will be xTherefore the sum of unit place and tens place is 2x +x which is equal to 12.x +2x =12⇒3x=12⇒x=4and 2x = 8Number will be 84.Regards