Answer:
What do you mean DUO?
Step-by-step explanation:
Is it plus, minus, multiplication or division?
Answer:
61 : 60
Step-by-step explanation:
Well to make a ratio, you just have to have David time : Mark time
So if you convert Mark's time into minutes, it is 60 minutes
61 : 60
That's the simplest form.
Answer:
Step-by-step explanation: x=8