Use the method to write the perfect square integers between 1 and 80 inclusive

Inclusive means including 1 and 80
ok so we know that 1^2=1 so 1 is a perfect square
just go up and square them untill 80 and the results is your answers
2^2=4, 4 is another
3^3=9
4^2=16
5^2=25
6^2=36
7^2=49
8^2=64
9^2=81 which is over

so the perfect squares from 1 to 80 are
1,4,9,16,25,36,49,64

It is 5.8 you add all of the up to equat 180 then solve the equation