Concept explainers
To calculate the time Rafael drive before he caught up with Monica
Answer to Problem 53STP
Rafael drive for 6 hours before he caught up with Monica. The correct answer is option C.
Explanation of Solution
Given information:
Rafael drove toward the cabin at an average speed of 40 km per hour
Monica drove in same direction at an average speed of 48 km per hour
Monica drive for 5 hours then she caught up with Rafael
For Rafael,
For Monica,
As
Now, put 5 in Monica’s time as she drive for 5 hours,
Therefore, it is obtained that Rafael drive for 6 hours.
Rafael drive for 6 hours before he caught up with Monica. The correct answer is option C.
Chapter 8 Solutions
Glencoe Algebra 2 Student Edition C2014
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