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The sum of 3 numbers is 34. The first is three less than the second, while the t

Algebra
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The sum of 3 numbers is 34. The first is three less than the second, while the third is 4 more than the 

second. Find the numbers.

Oct 19th, 2014

Let a = first number 

Let a + 3 = second number   .....................2

Let a + 4 = third number ...............................3

a + a + 3 + a + 4 = 34 

3a + 7 = 34 

3a = 27 

a = 9 

Put a in 2 and 3, then

The numbers are {9, 12, 13}

Oct 19th, 2014

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