word problem for mathematics

Tutor: None Selected Time limit: 1 Day

May 21st, 2015

Let +t+ = Jen's time in minutes to shelve a cart
+t+-+14+ = Pat's time in minutes to shelve a cart
Jen's rate:
( 1 cart ) / ( t min )
Pat's rate:
( 1 cart ) / ( t - 14 min )
Working together:
( 1 cart ) / ( 24 min )
Add their rates to get rate working together
Multiply both sides by +t%2A%28+t+-+14+%29%2A24+

Use quadratic formula


( this answer makes no sense, because it is faster than
their time working together- 24 min )
Working alone, Jen's time is 56 sec

May 21st, 2015

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