20 percent of 40 is 8. As a fraction that would be 8/1.
Hope this helps
509 ÷ 13 = 36.36
There are about 36 floors.
Answer: 36 floors.
I think you just have to add all of the totals up??
Lim x->1 (x^2+8x-2)
substitute x =1
= 1^2 +8(1)-2
= 1 +8 -2
= 7
So the limit = 7