Help! Super Hard math question!!!!!!

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It takes Craig 3 hours to drive to visit his parents. If he drives 20% faster, how long will it take him to drive that same distance? Show all work

Guest Jan 31, 2017

Landry · Answer 1 · 2017-01-31T11:42:11

100% - 20%=80%

3hrs*80% = 3*0.8 = 2.4

2.4 hours = 2 hours and 24 minutes

ElectricPavlov · Answer 2 · 2017-02-01T12:06:00

rate x time = distance distance/rate = time

x / 100% = 3 x = 300

300/120% = ?

300/120 = 2.5 hours

Guest · Answer 3 · 2017-02-01T12:08:01

Thank you electric Pavlov!!!!

CPhill · Answer 4 · 2017-02-01T12:18:36

20% faster is 6/5 of the original rate

So

3 / (6/5) =

15 / 6 =

2. 5 hrs.