Asked by Cindy
Ricardo and Jessica are traveling towards each other from points that are 603 miles apart. If Jessica is traveling 9 mph faster than and they meet after 9 hours, how fast was each traveling?
Answers
Answered by
Steve
their combined speed is 67 mi/hr
so, which two numbers differ by 9 and sum to 67?
x-y=9
x+y=67
...
so, which two numbers differ by 9 and sum to 67?
x-y=9
x+y=67
...
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