Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 6 - Systems of Equations and Inequalities - Common Core Cumulative Standards Review - Selected Response - Page 414: 19

Answer

The greatest integer of the four consecutive integers is $64$.

Work Step by Step

We have to define our variable. Let $x$ = the lowest number of a set of consecutive integers Let $x + 1$, $x + 2$, and $x + 3$ be three integers that are consecutive to $x$. Let's set up the equation to find the integers: $x + (x + 1) + (x + 2) + (x + 3) = 250$ Combine like terms: $4x + 6 = 250$ Collect all constant terms on the right side of the equation by subtracting $6$ from each side of the equation: $4x = 244$ Divide each side of the equation by $4$ to solve for $x$: $x = 61$ We want the greatest integer, which can be found by solving the expression $x + 3$, which would be the fourth and largest integer among the four numbers: $x + 3$ Substitute $61$ for $x$ in the expression: $61 + 3$ Add to solve: The greatest integer of the four consecutive integers is $64$.
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