Posted by lina on Wednesday, February 20, 2013 at 7:09pm.
walking rate = 1/20
jogging rate = 3times or 3miles/20 minutes
2 hours = 120 minutes
Can you finish from here?
I'm not getting it yet?
you can cover 3 miles every 20 minutes
You are walking for 12o minutes.
3 miles/20 minutes = x miles/120 minutes.
The denominator of 120 is 6 times bigger than the denominator of 20.
so you should go 6 times farther.
so she could go 40 miles in 2 hours because 120/3=40
he**
No wait is it 18 miles?
18 miles is right.
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