1. 140km/1hour | 140(0.621mi/60min) = <span>0.01035 miles/min
2. </span>320,000Riels/1month divided by $4,000/1month = $80/month times 12 months/1year =$960/1 year
3. 180,000euros/1year times $1.36/1year = $244,800/1year divided 365days/1year = about $670.68/1 day
4. 3oz/1day times 7days/1week = 21oz/1week divided by 16oz/1week = <span>1.3125lbs/1week
6. </span>120km/1hour times 1000m/60minutes = 120,000m/60minutes divided each side by 60 = 2,000m/1minute times 3.28084feet/60seconds = 6561.68/60seconds divided by 60/60 = <span>about 109.36 feet/1 second
7. </span>500inches/1year times 2.54cm/1year = 1270/1year divided by 365days/1year = <span>about 3.48 cm/1 day
Sorry for being a year late.....</span>