1.1. Gabriela designs the seating layout for a new theatre. There are three sections of seats, A, B and C.

Section A has 152 seats.
Section B has 171 seats.
Section C has 57 seats.

Write down and simplify the ratio of the number of seats in each section A : B : C.

A : B : C = ............. : ............. : ............. 

1.2. For a concert in the theatre, the ticket prices are in the ratio

A : B : C = 9 : 7 : 4.

A ticket for Section C costs $6.

i) Show that a ticket for Section B costs $10.50 .

[1]

ii) Find the cost of a ticket for Section A.

$ .................................................. [1]

iii) The table shows the number of tickets sold in each section.

Calculate the total amount received from the ticket sales.

$ .................................................. [3]

iv) The concert costs $4500 to organise. 

Calculate the amount received from the ticket sales as a percentage of the $4500.

[1]