p1iguelsenoctorm p1iguelsenoctorm

10-10-2016
Mathematics

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You run for 2 hours at a speed no faster than 6.3 miles per hour.
Write an inequality that represents the possible numbers dd of miles you run.

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scme1702 scme1702

13-10-2016

"no faster than" implies "less than or equal to"
Distance = speed * time
Let time be t, distance be d
Speed ≤ 6.3
Multiply by time both sides
Speed * time ≤ 6.3 *2
Distance ≤ 12.6 miles

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