Kevin is a songwriter who collects royalties on his songs whenever they are played in a commercial or a movie. Kevin will earn $50 every time one of his songs is played in
a commercial and he will earn $150 every time one of his songs is played in a movie.
Kevin's songs were played on 6 more commercials than movies, and his total earnings
on the royalties from all commercials and movies was $900. Graphically solve a
system of equations in order to determine the number of commercials, 2, and the
number of movies, y, on which Kevin's songs were played.

show us the graphs dude

step-by-step explanation:

4x and 6y

im not sure though

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