SOLUTION: the sum of two numbers if 40. the smaller number is 20 less than the larger number. what are the numbers?

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Question 911988: the sum of two numbers if 40. the smaller number is 20 less than the larger number. what are the numbers?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BB=40
B=A-20
Substituting,
A%2B%28A-20%29=40
2A-20=40
2A=60
A=30
Then,
B=30-20
B=10