{ a,b,c } d.p { 8,15,17 }
--------------------------/---------
a + b + c = 4960
----------------------------//---------
a / 8 = b / 15 = c / 17 = K
a / 8 = K => a = 8 K
b / 15 = K => b = 15 K
c / 17 = K => c = 17 K
8 K + 15 K + 17 K = 4960
23 K + 17 K = 4960
40 K = 4960
K = 4960 : 40
K = 124
a = 124 x 8 = 992
b = 124 x 15 = 1860
c = 124 x 17 = 2108
