Respostas

2013-09-01T18:39:54-03:00
M + M = 120
m = 3/5 * M ou m = 3M/5 ****
substitui acima 
( 3M/5) + M/1 = 120/1
mmc = 5
3M + 5M = 600
8M = 600
M = 600/8 = 75 ******
M = 3(75)/5 
M = 45 ********
RESPOSTA = 75 E 45
1 5 1