250
2.7778
Since 250 is a scalar value you just divide the numbers: 1/5 divided by 250 = 1/(5*250) = 1/1250, then put back the "tons" and you get 1/1250 tons.
250
250
2.5
50 divided by 1/5 is the same as saying 50 * 5/1 = 250 ----------------( that means there are 250 1/5's in 50 )
1
83.3333
0.25
250
2.7778
Since 250 is a scalar value you just divide the numbers: 1/5 divided by 250 = 1/(5*250) = 1/1250, then put back the "tons" and you get 1/1250 tons.
83.3333
31.25
250
55.5556
0.12