Question

reparto 640 en partes inversamente proporcionales 8,10 y 12

Answer 1

A = 1/8
B = 1/10
C = 1/12
MCM 8,10,12) = 120 
A = 1/8 * 120 K = 15k
B = 1/10 * 120 K = 12k
C = 1/12 * 120 K = 10k
A+B+C = 15K+12K+10K = 37K = 640
K= 640/37
A =  15k = 9600/37
B  = 12k =  7680/37 
C =  10K = 6400/37