SOLUTION: The sum of two numbers is 21. The smaller number is 1 more than one-third of the larger number. What are the two numbers?

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Question 963316: The sum of two numbers is 21. The smaller number is 1 more than one-third of the larger number. What are the two numbers?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BB=21
.
.
.
A=1%2BB%2F3
3A=3%2BB
B=3A-3
Substituting,
A%2B3A-3=21
4A=24
A=6
Then,
6%2BB=21
B=15