Justin can replace three windows in an 8 hour day. How many hours will he need to replace 20 windows on a house

10

step-by-step explanation:

7+3=10

c: lkllmn.

hope it's you

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk