SOLUTION: the sum of two numbers is the same as four times the smaller number.if twice the larger is decreased by the smaller,the result is 30. find the numbers

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Question 361469: the sum of two numbers is the same as four times the smaller number.if twice the larger is decreased by the smaller,the result is 30. find the numbers
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
a+b=4b
2a-b=30


a=3b
2(3b)-b=30
6b-b=30
5b=30
b=6
a=3(6)
a=18