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Mathematics 7 Online
OpenStudy (anonymous):

Gary can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 28 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.

OpenStudy (anonymous):

Let \(x\) be the speed on level ground and \(y\) be the speed on uphill terrain. Use the information to make a system of equations. Then solve the system.

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