A theater is designed with 15 seats in the first row, 19 in the second, 23 in the third, and so on. if this seating pattern continues, how many seats are in the 30th row?

Question

Mathematics

Dharma

Yesterday, 11:22

A theater is designed with 15 seats in the first row, 19 in the second, 23 in the third, and so on. if this seating pattern continues, how many seats are in the 30th row?

+2

Answers (1)

Know the Answer?

Skyla · Answer 1

Well the pattern stated just adds 4 every time, so just do 15+4+4+4 etc. until you get to thirty, and remember that 15 is the first row, so you only add 4 twenty nine times.