The rod

The rod is painted in four colors. 55% of the bar is painted in blue or green, 0.2 of the rod, 1/8 is brown, and the remaining 45 cm of white. How long is the rod?

Correct answer:

x =  360 cm

Step-by-step explanation:

a=55%=10055=2011=0.55 b=0.2 c=1/8=81=0.125  a x+b x+c x+45=x 0.55 x+0.2 x+0.125 x+45=x  0.125x=45  x=0.12545=360  x=360=360 cm

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