Answer:
Thank youuu It's 4.5
Step-by-step explanation:
Answer:

Step-by-step explanation:
We have given that melissa used 4 cups of sugar to bake 54 cookies.
That means 1 cup of sugar will be used to bake
by unitary method
We have to find the ratio of cups to the cookies
We are using 1 cup of sugar
And cookies will be 
Each (1/3) shift would be 20 min. There are 3 shifts every hour and there are 3hrs.
3x3= 9 shifts
Answer:
its no
Step-by-step explanation: