1500 tons of coal is sold to the three canteens A, B and C in a ratio of one to three to six, which are obtained by the three canteens A, B and C respectively.
1:3:6 can be regarded as a * * * with 10 copies.
A:1500× (110) =150 (ton)
B:1500× (3/10) = 450 (ton)
C:1500× (6/10) = 900 (ton)
You got it?