Variable

Find variable P:

PP plus P x P plus P = 160

Correct answer:

P =  8

Step-by-step explanation:

10 P+P+P P+P=160 10 P+P+P P+P=160  10 P+P+P P+P=160 P2+12P160=0  a=1;b=12;c=160 D=b24ac=12241(160)=784 D>0  P1,2=2ab±D=212±784 P1,2=212±28 P1,2=6±14 P1=8 P2=20 P>0 P=P1=8   Verifying Solution:  s=88+8 8+8=160

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