Answer:
width = 18 cm
Step-by-step explanation:
perimeter of rectangle = 2(length + width)
then:
90 = 2(27+w)
90/2 = 27+w
w = width
45 = 27+w
45 - 27 = w
18 = w
Check:
90 = 2(27+18)
90 =2*45 =
7-x=-2
-x=-2-7
-x=-9
x=9
Median = 6.5 or 6 1/2
HOPE THIS HELPED! HAVE A GREAT DAY! :)
the 2nd one
mecause its new=original
