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 Post subject: Math need help with answer !Posted: Fri Mar 04, 2016 4:58 pm

Joined: Fri Jan 22, 2016 11:58 pm
Posts: 30
An aircraft travels 910 miles in 2hr 30 minutes, find the average speed

Regards

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 Post subject: Re: Math need help with answer !Posted: Fri Mar 04, 2016 5:07 pm

Joined: Tue Oct 27, 2009 8:19 pm
Posts: 6257
Suggestion from here is:

2 1/2 hours = 5 lots of half an hour so

910 / 5 = 182 miles per half hour

182 X 2 = 364 miles per hour

Or

910/5 =182 x 2 = 364

( sorry don't have a division sign on my keyboard)

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 Post subject: Re: Math need help with answer !Posted: Fri Mar 04, 2016 6:18 pm

Joined: Fri Jan 22, 2016 11:58 pm
Posts: 30
Thanks a lot dear doodles

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 Post subject: Re: Math need help with answer !Posted: Fri Mar 04, 2016 6:33 pm

Joined: Mon Feb 12, 2007 1:21 pm
Posts: 11954
Average speed = total distance/total time = 910/2.5

Dividing by 2.5 is a bit tricky so you could double numerator and denominator = 1820/5 = 364 mph

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 Post subject: Re: Math need help with answer !Posted: Sat Mar 05, 2016 8:23 am

Joined: Fri Jan 22, 2016 11:58 pm
Posts: 30
Another good way! .. Thanks Guest55

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