<h2>727</h2>
Step-by-step explanation:
Let us denote the three digit number by
, where
is the hundreds digit,
is the tens digit and
is the ones digit.
Hundreds digit =
= Ones digit = 
Sum of digits = 
So, 
On exchanging tens and ones digit, value increases by 45. So
is 45 greater than
.



∴ Required number is 727
D is 11
2d - 5 = 17 add 5 to both sides
2d = 22 divide by 2
d = 11 answer
8(8x+10) could be used as a equivalent expression.
let the first number be x
let the second number be y
x+y=203203------eqn1
x-y=3131----------eqn2
subtract eqn2 from eqn1. you'll have
2y=200072
y=100036
substitute y=100036 in eqn1, you'll have
x+(100036)=203203
x=203203-100036
x=103167
∴ x(the first number)=103167
y(the second number)=100036