Answer:
0.83
Step-by-step explanation:
All fractions are division problems, so you just need to divied 5 by 6. You get 0.83333333 but you can round it to 0.83.
47 1/2 oil
9 1/2 vinegar
Add the 5and 1 from the 5:1 ration to get 6. Divide 57 by 6 to get 9.5
Multiply 5 and 1 by 9.5 to get 47.5 and 9.5 as the answer
If there are 9 students then they each get 20 and if there are 6 they each get 30. If that answers the question.
