A theatre has 10 rows of seats, with the same number of seats in each row. If 4 more seats were added to each row, the theatre would hold 300 seats in total.
(a)How many seats are currently in each row?(2)
(b)How many seats does the theatre currently hold in total?(1)
(c)Instead, suppose no seats are added to each row, but 2 extra rows (each holding the original number of seats) are added to the theatre. How many seats would the theatre hold in total?(1)
(Total for Question 23 is 4 marks)