Question 943523
I am a 3-digit number my ones is 2 less than my hundreds and my tens is 3 more than my ones .the sum of my digits is 20.what number am I?
let ones place ix x 
hundred number is x+2
tens place is X+3
ones + tens +hundred =20
x+x+3+x+2=20
3X+5=20
3x=20-5=15
X=5
ones =5
tens place =8
hundred place =7
number 785