Answer:

Step-by-step explanation:




1.)
Starts with 40:10, then cuz you have 80 buns, you need to x2, so it would be 20 cubes
2.)
I don’t know, sorry
3.)
4:2 and 60 in total
so 4+2 is 6 and 60/6 is 10
so it would be 40:20 so 20
hope this helps :)
All you have to do is subtract 3/8 from 7 which would give you 9 and 1/3
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On what i need to see what you are talking bout so maybe i can answer it thank u please