8 is 10% of 80
Convert the percentage into a decimal:

Multiply the decimal by 80:
The answer is a+6b, if you want to know the proof please comment on this post
Answer:
y=-3x+8
Step-by-step explanation:
Side of a square = 4n
Side of the smaller square = 4n÷2 = 2n
Perimeter of one smaller square = 2n x 4 = 8n
Perimeter of 20 smaller squares = 8n x 20 = 160n
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Answer: Perimeter of all the 20 smaller squares = 160n
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