Elohimsdaughter
Elohimsdaughter Elohimsdaughter
  • 17-02-2015
  • Mathematics
contestada

A dog runs 9.5 mi in 0.5 h. The distance the dog travels varies directly with the amount of time it runs.

How many miles will it run in 1.75 h?

mi

Respuesta :

iGreen
iGreen iGreen
  • 17-02-2015
We divide 9.5 / 0.5 to see how much it runs in 1 hour.

9.5 / 0.5 = 19

So it runs 19 miles in 1 hour.

Now we multiply 1.75 to 19 miles.

1.75 * 19 = 33.25

So he will run 33.25 miles in 1.75 hours.
Answer Link
luana
luana luana
  • 17-02-2015
[tex]9.5\ miles\ in\ 0.5h\\ x\ miles\ in\ 1.75h\\\\ proportion:\\ 9.5-0.5\\ x-1.75\\\\ cross\ multiplication\\\\ 9.5*1.75=0.5x\\\\ 16,625=0.5x\ \ \ | divide\ by\ 0.5\\\\ x=33.25miles\\\\ It\ will \ run\ 33.25\ miles.[/tex]
Answer Link

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