will give medal for help Kelsey painted one fourth of her bedroom in three seventh of an hour. At this rate, how long would it take her to paint the entire room? three over twenty eight hour
twenty eight over three hours
twelve over seven hours
seven over twelve hour

Question

will give medal for help Kelsey painted one fourth of her bedroom in three seventh of an hour. At this rate, how long would it take her to paint the entire room?  three over twenty eight hour
 twenty eight over three hours
 twelve over seven hours
 seven over twelve hour

tkhunny · Answer

This is a proportion.  $\dfrac{1/4\;room}{3/7\;hour} = \dfrac{1\;room}{How\;Many\;Hours}$

boldjon · Answer

Kelsey painted  one-fourth   of her bedroom in three-sevenths of an hour. At this rate, how long would it take her to paint the entire room?

    three over twenty-eight  of an hour
    twenty-eight over three  of an hour
    twelve over seven  of an hour
    seven over twelve  of an hour

anonymous · Answer

r*t = d
this is the general form of this type of problem.

however, in this case, the distance is the job (or jobs) to be done and the rate is how much of  the job is cpmpleted in a certain amount of time...

r = (d/t)

boldjon · Answer

1.71 which as a fraction is 12/7

anonymous · Answer

or you can set it up as a proportion... as @tkhunny did