Question

In a 3-digit number, the hundred's digit is half the unit digit. If sum of all the digits is 14
number.​

Answer 1

Answer:

The number would be 554 middle number is 5 =5+5+4=14

Answer 2

Step-by-step explanation:

$let \: the \: number \: be \: 100x + 10y + z \\ \\ given \: that \: x = \frac{1}{2} z \\ \\ and \: \: \: x + y + z = 14...... \\ \\ ( \frac{1}{2} )z + y + z = 14 \\ \\ \frac{z}{2} + y + z = 14 \\ \\ \frac{z + 2y + 2z}{2} = 14 \\ \\ {3z + 2y} = 28$

hope it helps.....