In the cafeteria 100 milk cartons were put out for breakfast at the end of breakfast 27 remained what is the ratio of the number of milk cartons remaining to the number of milk cartons taken

4 answers

100 - 27 = 73

73:100
Helen was a bit off, but surely using her work you can answer the question correctly ...
Remains : Taken = 27:73.
the correct answer for this equation is 100-60 =40 and then for the taken 100-40=60 so the answer is 40:60