I have no idea what I'm doing :^ A theater has a seating capacity of 800 and charges $2.50 for children, $4 for students, and $5.50 for adults. At a certain screening with full attendance, there were half as many adults as children and students combined. The total money brought in was $3450. Fill in the blank constants or variables to create a system that models this scenario

c+s+a=

=.5(s+c)

2.5c+4s+5.5a=

press this link and u will get the answers

https://www.math.tamu.edu/~rosanna/141/WIR2_done.pdf

faster, im not sure why but i know it is faster

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true