How can I find the total distance of a problem?
How can I find the total distance of a problem?
That's like asking "what's the energy?" I have no idea unless you give me the question.
Total distance of What?
Esther travelled to work @ an average speed of 45mi/hr.she returned through the same route @ an average speed of 30mi/hr.if total time taken for going and coming is 1hr, what is the distance covered by esther in the morning?
Esther travelled to work @ an average speed of 45mi/hr.she returned through the same route @ an average speed of 30mi/hr.if total time taken for going and coming is 1hr, what is the distance covered by esther in the morning?
ooladimeji: you should have started another thread for your question.
Use the distance formula:
Let x be the distance she covers in the morning, and t the time she takes to travel in the morning.
In the morning,
In the afternoon,
I used 1-t because together, the two times take one hour.
Then, solve those two equation simultaneously to find x.
I suggest you expand the brackets in the second equation, and use elimination to eliminate t, which you don't need to find.
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