Answer:
Step-by-step explanation:
25.20
Step-by-step explanation: L= length w= width p= perimeter
L=3W p=55CM
P. of rectangle= 2(l+w)=55cm
L+w= 55/2= 27.5 cm
3w+w=27.5cm
4w=27.5cm
w=27.5/4=6.875cm w=6.875cm L= 3w=6.875*3=20.625cm
1008
10!•4!
---------
6!•5!
Rewriting as
10 * 9*8*7*6! * 4!
6!•5*4!
Canceling like terms
10 * 9*8*7
5
