this year, the number of students in a new schook is 600.for the next 10 years the school will be taking 5 more students every year. how many students would have been taken in this school in 10 years?

Answer 1

the AP is
a = 600
d = 5
S11 = 11/2 (2*600 + 11*5)
counting the 600 this year and the next 10 years