a1:a2=0.8:2/7
a1:a2=8/10 : 2/7= 4/5 : 2/7 = 4/5 *7/2= 14/5
a2:a3=1,5:1,8 = 15/10 : 18/10 = 3/2 : 9/5 = 3/2 *5/9 = 5/6
a1:a2:a3 = 14: 5: 6
150: (14+5+6)= 6
a1=6*14=84
a2=6*5=30
a3=6*6=36
a1:a2=0.8:2/7
a1:a2=8/10 : 2/7= 4/5 : 2/7 = 4/5 *7/2= 14/5
a2:a3=1,5:1,8 = 15/10 : 18/10 = 3/2 : 9/5 = 3/2 *5/9 = 5/6
a1:a2:a3 = 14: 5: 6
150: (14+5+6)= 6
a1=6*14=84
a2=6*5=30
a3=6*6=36