17 There are 3 cinemas
The mean number of seats per cinema is 380
There are 350 seats in cinema
There are 250 seats in cinema
Work out the number of seats in cinema
Step 1 :Total number of seats = Mean number of seats per cinema * Total number of cinemas =
Step 2 :Number of seats in cinema C = Total number of seats - (Number of seats in cinema A + Number of seats in cinema B) =
Step 3 :