you are running in a marathon. during the first 20 miles,your average speed is 8 miles per hour during the last 6.2 miles,you increase your average speed by 2 miles you are running in a marathon. during the first 20 miles,your average speed is 8 miles per hour during the last 6.2 miles,you increase your average speed by 2 miles per hour
How long will it take you to run the last 6.2 miles of the marathon

Question

you are running in a marathon. during the first 20 miles,your average speed is 8 miles per hour during the last 6.2 miles,you increase your average speed by 2 miles you are running in a marathon. during the first 20 miles,your average speed is 8 miles per hour during the last 6.2 miles,you increase your average speed by 2 miles per hour 
How long will it take you to run the last 6.2 miles of the marathon

jdoe0001 · Answer

well, you were running averagely at 8mph
then you increased that by 2 miles

what's your new average speed rate?

anonymous · Answer

10 mph?

jdoe0001 · Answer

so, if you were to run say , 10 miles,  how long will that take you at 10mph?

anonymous · Answer

45 minutes

jdoe0001 · Answer

so  you're running at "10 miles per hour" speed rate
and you'd cover 10 miles in 45 minutes?

anonymous · Answer

No. 1 hr?

jdoe0001 · Answer

$\bf \cfrac{10}{10} = \textit{1 hour}\
\cfrac{6.2}{10} = \textit{how long it takes at 10mph for 6.2miles}$

anonymous · Answer

1 hr & 6 minutes