765
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15 + 17 + 19 = 51 The how-to is: As the numbers are consecutive and odd, each one is 2 larger than the proevious number so x + (x+2) + (x+4) = 51 so x+x+2+x+4=51 so 3x+6=51 so 3x=51-6= 45 so x=45/3=15 so x=15, x+2=17, x+4=19
1 x 255, 3 x 85, 5 x 51, 15 x 17, 17 x 15, 51 x 5, 85 x 3, 255 x 1
51.
Converting a number to a percent is easy; just multiply by 100: 0.0051 x 100 = 51%
0.2941