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March 4, 2015

March 4, 2015

Posted by **john** on Tuesday, February 17, 2009 at 6:49am.

- algebra -
**tchrwill**, Tuesday, February 17, 2009 at 10:35amRachel allows herself one hour to reach a sales appointment 50 miles away. after she has driven 30 miles, she realizes that she must increase her speed by 15mph in order to arrive on time. what was her speed for the first 30 miles?

The time to drive the first 30 miles is T1 = 30/V1.

The time to drive the last 20 miles is T2 = 20/(v1 + 15)

wHAT DO YOU KNOW ABOUT t1 + t2?

- algebra -
**john**, Tuesday, February 17, 2009 at 3:48pmthat it equals 60 minutes?

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