1 year=365 days 1 day= 24 hours, si 365 days=365×24 365 days= 8760 hours
We know that about 2200000 marriages in 8760 hours, so I have this: 2200000 marriages:8760 hours ?marriages:1 hour This is call tree diagram First step: Use crops multiply, so 1×2200000=220000 Second step: Divided 2200000÷8760≈251 marriages per hour. As a result, this is about 251 marriages per hour in the US. Hope it help!
