Rhiannon3 Rhiannon3

27-05-2014
Mathematics

Answered

A meeting room has 8 rows of seats. Each row has 15 seats. If 5 rows are full and there are three people in the next row, how many seats are empty? Explain your answer.

Verified Answer :

27-05-2014

Total number of seats = (8 rows) x (15 seats per row) = 120 seats.

Number of occupied seats:
(5 rows) x (15 seats per row) = 75 seats
people sitting alone in next row = 3 seats
Total occupied = (75 + 3) = 78 seats

Empty seats = (total seats) minus (occupied seats) = 120 - 78 = 42 empties

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