Question

Mark can make 424242 birthday cakes in 777 days.

Answer 1

What is the question ?

Answer 2

Answer:

I think your quetsion was supposed to be

'Mark can make 42 birthday cakes in 7 days. How many birthday cakes can Mark make in 5 days?'

ratio and proprtion

cakes:days=42:7=42/7

42/7=x/5

42/7=x/5

6/1=x/5

times both sides by 5

30=x

30 cakes