marcgtz511p3pln7
marcgtz511p3pln7
30.11.2020 • 
Mathematics

Ralph and Liza are both driving from Los Angeles to Santa Fe. Ralph leaves at 7:00 and averages 60 mph (miles per hour) on the way. Liza leaves at 7:25 and averages 65 mph on the way. The situation is modeled by this system, where x is the number of hours after Liza leaves and y is the distance each
will travel:

y = 60x + 25
y = 65x

How long after Liza leaves will she pass Ralph, and how far will they each
have traveled?

A. Liza will pass Ralph after 4 hours, and they each will have traveled
260 miles.

B. Liza will pass Ralph after 3 hours, and they each will have traveled
205 miles.

C. Liza will not pass Ralph, because she will never catch up with him.

D. Liza will pass Ralph after 5 hours, and they each will have traveled
325 miles.

Solved
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