Answer:
A. and B.
Step-by-step explanation:
Answer:
I really do not know.
Step-by-step explanation:
Answer:
It is B
Step-by-step explanation:
Answer:
21cm
Step by step:
Scale : 9cm :12m
Therefore 1m = 9/12 cm
28m= 9/12 *28 = <u>21 cm</u>
It would last 13.5 weeks because you would make a proportion:
12/16 = x/18 and then cross multiply. You would get 216=16x, then you have to divide both sides by 16 to get x = 13.5