Asked by /all

the sum of 3 numbers is 49. the second number is twice the 1st, and the third is 1 less than the second. find the numbers
Answered by Steve
a+b+c=49
b=2a
c=b-1

a + 2a + (2a-1) = 49
5a - 1 = 49
5a = 50
a = 10

10,20,19
Answered by pankaj
10,20,19
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