Stephanie left Riverside, California, driving her motorhome north on Interstate 15 towards Salt Lake City at a speed of 56 miles per hour. Half an hour later, Tina left Riverside in her car on the same route as Stephanie, driving 70 miles per hour. Solve the system
(a)fort to find out how long it will take Tina to catch up to Stephanie.
(b)what is the value of s, the number of hours Stephanie will have driven before Tina catches up to her?
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Chapter 5 Solutions
Elementary Algebra
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