SOLUTION: Three two-digit numbers have consecutive tens digits and have units digit all equal to 5. If the tens digit of the smallest number is n, what is the sum of three numbers?

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: Three two-digit numbers have consecutive tens digits and have units digit all equal to 5. If the tens digit of the smallest number is n, what is the sum of three numbers?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1046419: Three two-digit numbers have consecutive tens digits and have units digit all equal to 5. If the tens digit of the smallest number is n, what is the sum of three numbers?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The numbers are n5, (n+1)5, and (n+2)5
The sum is (n+n+1+n+2+1)5=(3n+4)5, the 1 being from adding 3 numbers that end in 5. We get 15, and there is a 1 in the tens column.
Check with 25,35,45
n=2 in this instance
(3n+4)=10
The number should be 105.
25+35+45=105