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Algebra_4

Chapter 85

Problem 3

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Note: Give your answers in decimal form out to 6 decimal points.

Find three consecutive even integers such that
3 times the sum of the first and the second
is greater than the third.

The three integers are


N =



N + 2 =



N + 4 =




Example:
Find four consecutive odd integers such that the sum of
the second and third is 7 greater than the fourth.

Solution: Assign the consecutive integers as:
N, N + 2, N + 4, and N + 6

This can be written in shorthand form as:
(N + 2) + (N + 4) = (N + 6) + 7
Adding N's and subtracting 6 gives
N = 7

The consecutive integers are 7, 9, 11, and 13.