You would do an arithmetic sequence
use A1 +(n-1)d to calculate number of seats in the last row
An = 4+(24-1)5
An = 4 + (23)(5)
An = 4 + 115
An = 119 seats in the last row
now use a sum sequence to find total number of seats
Sn = n(a1 + an)/2
Sn = 24(4+119)/2
Sn = 24(123) /2
Sn = 1476 total seats
Answer:
80
Step-by-step explanation:
DAB =DAC...........
Answer:
16 is not the solution to the equation
Step-by-step explanation:
A proper fraction<span> is a </span>fraction<span> where the numerator (the top number) is less than the denominator</span>
