5 by 3
3rd one
there we have to find hypotenuse.
Percent that are girls = 100-40 = 60%
As a decimal 60% is 0.6.
Answer:
x+1
Step-by-step explanation:
just did it all you have to do is put that in and you got it write
5/16 = n/80
bring 80 over to the other side to leave n alone. 80 then gets a multiplication sign in front of it.
5/16 x 80=n
5/16=0.3125
0.3125x80=25
n=25
hope this helps