Brody can fill a bowl with candy in 3 minutes. while brody fills the bowl, hudson takes the candy out of the bowl. with hudson taking candy out of the
bowl, it takes 5 minutes for brody to fill the bowl.
which of the following can be used to determine the amount of time it takes for hudson to empty the bowl if brody does not add candy?

1/3 - 1/x=1/5

Step-by-step explanation:

Let the total work be "1"

                        Brody          Hudson              Brody+Hudson

  Time              3 mins            x min                       5 min

  Efficiency        1/3                   -1/x                          1/5

The efficiency of Hudson is negative as he is taking out the candies out of the bowl, since efficiency of Brody + efficiency of Hudson = efficiency of both, which means,

1/3 - 1/x = 1/5

1) is right

step-by-step explanation:

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies