Answer:
5.
Rectangle a:
Perim: 16 cm
Area: 12 cm^2
Rectangle b:
Perim: 32 cm
Area: 48 cm^2
6.
16:32 <em>or </em> 16/32 <em> or </em>16 to 32
7.
12:48 <em>or </em> 12/48 <em>or </em>12 to 48
Step-by-step explanation:
The answer is 14.1 h
d=rt so t=d/r
t=647.19/45.9
t=14.1 h
D.
almost 4 days
