6PM I believe because 3:30 + 30 min = 4:00 + 2 hr (2:00) = 6:00!
Hope this helped and sorry if it’s incorrect!
<3
I believe that the correct answer is 72
Hope this helps!<3
Multiply 18 * 3 and 20 * 3
18*3 = 54
20 * 3 = 60
Length = 54 cm ; Width = 60 cm
Area = L x W
54 * 60 = 3240
Area = 3240 cm