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Lesson 6-4

Example 1  Daniel has a piece of rope that is 8 feet long.  He cuts off 5 feet of the rope to use for a school project.  What is the largest amount of rope he has left for another task – 2, 2, or 3 feet?

EXPLORE | You know the total amount of rope must be less than or equal to 8 feet.
PLAN | Eliminate answers that are not reasonable.

SOLVE

You couldn’t have 3 more feet of rope left because .  This is greater than 8 feet.

The largest total that is less than or equal to 8 is 7.  So, the answer is 2.

CHECK | The most reasonable is 2.