Calculate the deather Dategy of
The mass of a proton is 100728 and the mass or a P OR IS 100956 am
The mass der or not is
to the
s
a
ogen
ame place
RON 3
s
The nuclear Dining energy of one
atom is
30
t ris

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?