How do you convert 849 yards to mile?

2 Answers
Jan 10, 2017

Use conversion factors. We get 849849 yards = 849/1760=8491760 miles

Explanation:

849849 yards = ? miles

1 mile = 17601760 yards
Multiplying both sides by 849849:
849849 miles = 1760 * 849=1760849 yards
Dividing both sides by 17601760:
849/17608491760 miles = 849=849 yards.
We cannot simplify this any further.

Jan 10, 2017

849" yards" ~~0.482" miles"849 yards0.482 miles to 3 decimal places

Explanation:

color(blue)("Using ratio")Using ratio

("miles")/("yards") ->1/1760-=("miles")/849milesyards11760miles849
" "color(red)(uarr)
" "color(red)("This means equivalent to") This means equivalent to

To change 1760 to 849 we multiply by 849/17608491760

color(green)([ 1/1760color(red)(xx1)] " "=" "[1/1760color(red)(xx( color(white)(.) 849/1760 color(white)(.))/(849/1760))][11760×1] = [11760×.8491760.8491760]

" "=" "color(green)((0.48238...)/849)

849" yards" ~~0.482" miles" to 3 decimal places
++++++++++++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++
color(blue)("Shortcut method")

color(brown)("This is what the shortcut method should look like")

1/1760=("miles")/849" "->" miles"=859/1760 = 0.48283..

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
color(brown)("This is why the shortcut method works")

1/1760" "=" "("miles")/849

1/1760" "=" miles" xx1/849

To get rid of the 1/849 on the right hand side of the equals sign multiply both sides by 849. It turns it into 1

color(white)(.)

849/1760="miles"xx849/849

0.48238...="miles"xx1

0.48238...=" miles"