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GMATLiveTeach Starts Oct 17
Chris Peckover, Target Test Prep GMAT expert
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Oct 17 · Chris Peckover
Sat · 11:00 AM to 2:00 PM ET
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Tue, Thu · 8:00 to 10:00 PM ET
Oct 25 · Josh Braslow
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Target Test Prep EA OnDemand

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Logan Thompson
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Sep 6 to Dec 6, 2026

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Sun · 9:30 AM to 12:30 PM ET
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40 hours of live online classes plus six months of access to the complete TTP EA OnDemand course.
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by tsmith93 » Wed Mar 03, 2010 5:56 pm
A girl keeps a record of time she spende practicing her trumpet. On Monday she spends 1 and 1/4 hours; on Tuesday and Wednesday she spends 2 hours each day; on Thursday she spends 1 and 3/4 hours. How many hours will she have to spend practicing for the rest of the week in order to have exactly 90 minutes each day?
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by papgust » Wed Mar 03, 2010 6:02 pm
Where are the answer choices firstly? Remember that you could solve many questions using answer choices.

Ok, coming to the question. Convert everything into minutes,

Monday - 75 min
Tuesday - 120 min
Wednesday - 120 min
Thursday - 105 min

Rest of the week (3 days left).

Average time is 90 min. Sum of all day's time is 90*7 = 630 min
Time already spent = 75 + 120 + 120 + 105 = 420 min

Remaining time left = 630 - 420 = 210 min.

The question asks for number of hours = 210/60 = 3.5 hrs.
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