Expansion

If one side of the rectangle is larger 2-times and the second 4-times, what percentage increases the area of the rectangle?

Correct answer:

p =  700 %

Step-by-step explanation:

S1=a b S2 = (2 a)   (4 b) = 2 4   ab = 8 S1  r =  S1S2S1 =  S18 S1  S1 r=81=7 p=100 r=100 7=700%



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