I'm not sure, but it's probably that Mary bakes faster than Sarah?
-2.75 describes the best.
I think it is a direct variation because if you divide 9/3, 27/3, 39/13, and 60/20 it will all give you the same number which is 3.
I hope this helps.
Answer:
17b+3n+14
Step-by-step explanation:
no any step
okk
finished