How do I find x and y for the problem below? -7x+2y=-13 1x-2y=11
1 answer:
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Answer:
They would meet each other at PM.
Step-by-step explanation:
- Erik took a trip to see his friend Mike who lives 308 miles away.
- He left his place at 10 AM driving at 70 mph.
- In 2 hours, his friend Mike left his place driving towards Erik at an average speed of 50 mph.
As Erik left his house at 10 AM driving at 70 mph and in 2 hours, his friend Mike left his place driving towards Erik at an average speed of 50 mph. It means
Erik left his place at 12:00 PM noon.
so, at 12:00 PM Erik had already traveled:
Miles left
Let 't' be the time when they meet
so
so
or hour and
minutes after
noon
i.e.
Therefore, they would meet each other at PM.