Square

If we increase the side of the square, increase its area of 91%.
What is the percentage we increase the side of the square?

Correct answer:

p =  38.2 %

Step-by-step explanation:

S=a2 S(1+10091)=(a(1+100p))2 S1.91=(a(1+100p))2 a21.91=(a(1+100p))2 1.91=(1+100p)2 1.91=1+100p 1.911=100p 100(1.911)=p 38.2%=p



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