Karter C.

asked • 05/08/20

ALGEBRA HELP MATH QUESTION

Lisa and Gwen leave Gwen's house at the same time. Lisa drives north and Gwen drives west. Lisa's average speed is 10mph slower than Gwen's. At the end of one hour, they are 40 miles apart. Find Gwen's average speed. (Round your answer to the nearest tenth.)

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