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July 24, 2014

July 24, 2014

Posted by **lina** on Wednesday, February 20, 2013 at 7:09pm.

- math -
**JJ**, Wednesday, February 20, 2013 at 7:13pmwalking rate = 1/20

jogging rate = 3times or 3miles/20 minutes

2 hours = 120 minutes

Can you finish from here?

- math -
**lina**, Wednesday, February 20, 2013 at 7:17pmI'm not getting it yet?

- math -
**JJ**, Wednesday, February 20, 2013 at 7:24pmyou 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.

- math -
**lina**, Wednesday, February 20, 2013 at 7:28pmso she could go 40 miles in 2 hours because 120/3=40

- math -
**lina**, Wednesday, February 20, 2013 at 7:28pmhe**

- math -
**lina**, Wednesday, February 20, 2013 at 7:35pmNo wait is it 18 miles?

- math -
**JJ**, Wednesday, February 20, 2013 at 8:17pm18 miles is right.

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