Let’s use y as a replacement for a number. You would do 3y-7 since you multiply by three and take away seven.
Answer:
I don't know the answer but I can give you a hint it has to be bigger than 60 and smaller than 110
Answer:
560 sandwiches were made
Step-by-step explanation:
set up a porportion.
45/252=55/x
45x=13860
x=308 cheese sandwichs
308+252=560