Answer:
b
Step-by-step explanation:
the answer is b 137 kg .
Answer:
c
Step-by-step explanation:
count
Answer:
7
Step-by-step explanation:You add the numbers and then divide by 5.
Area of original poster=80
Area of enlarged poster=320
The area of the enlarged is 4x larger than the original
I think this is how you would do it but good luck