Step-by-step explanation:
Answer:
1,185 seats
a1 = 25
d = 1
n = 30 (number of rows)
Sn = n/2 [2a + (n - 1)d]
S30 = 30/2 [2(25) + (30 - 1)(1)]
= 15 [50 + 29]
= 15 [79]
S30 = 1185
#CarryOnLearning
S30=1185
#carrtonlearning
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Step-by-step explanation:
Answer:
1,185 seats
Step-by-step explanation:
a1 = 25
d = 1
n = 30 (number of rows)
Sn = n/2 [2a + (n - 1)d]
S30 = 30/2 [2(25) + (30 - 1)(1)]
= 15 [50 + 29]
= 15 [79]
S30 = 1185
#CarryOnLearning
Answer:
S30=1185
Step-by-step explanation:
#carrtonlearning