How many integer solutions are there to x1 + x2 + x3 + x4 + x5 = = 28 if (a) x1 ≥ 0, x2 ≥ 0, x3 ≥ 0, x4 ≥ 0, x5 ≥ 0? Explain your answer. (b) x1 > 0, x2 > 0, x3 > 0, x4 ≥ 0, x5 ≥ 0? Explain your answer. (c) x1 ≥ 1, x2 ≥ 2, x3 ≥ 3, x4 ≥ 4×5 ≥ 5? Explain your answer.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.7: Multiplying And Dividing Integers
Problem 2E
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How many integer solutions are there to x1 + x2 + x3 + x4 + x5 = = 28 if
(a) x1 ≥ 0, x2 ≥ 0, x3 ≥ 0, x4 ≥ 0, x5 ≥ 0? Explain your answer.
(b) x1 > 0, x2 > 0, x3 > 0, x4 ≥ 0, x5 ≥ 0? Explain your answer.
(c) x1 ≥ 1, x2 ≥ 2, x3 ≥ 3, x4 ≥ 4×5 ≥ 5? Explain your answer.
Transcribed Image Text:How many integer solutions are there to x1 + x2 + x3 + x4 + x5 = = 28 if (a) x1 ≥ 0, x2 ≥ 0, x3 ≥ 0, x4 ≥ 0, x5 ≥ 0? Explain your answer. (b) x1 > 0, x2 > 0, x3 > 0, x4 ≥ 0, x5 ≥ 0? Explain your answer. (c) x1 ≥ 1, x2 ≥ 2, x3 ≥ 3, x4 ≥ 4×5 ≥ 5? Explain your answer.
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