Posted by niki on Sunday, September 20, 2009 at 7:21pm.
The treadmill display indicated that Joanna had completed 30% of her workout with 35 minutes remaining. How much time had she already spent on the treadmill?

Math  Ms. Sue, Sunday, September 20, 2009 at 7:26pm
Since when is "college" a School Subject?

college  Reiny, Sunday, September 20, 2009 at 7:35pm
.7X = 35
X = 50
Her workout time is 50 minutes, but she has spent 30% of that, or
.3(50)minutes, or 15 minutes.

college  niki, Sunday, September 20, 2009 at 7:43pm
where did u get 7 from?

college  Ms. Sue, Sunday, September 20, 2009 at 7:46pm
100%  30% = 70%
1.00  0.3 = 0.7
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