Use dimensional analysis to convert the units, when possible. Please show your work

1) A car's speedometer shows that the car is going 80 km/hr. What is this in miles per hour? 80 km/hr is approximately__________ mph

2) An NFL football player weighs 4240 ounces. What is his weight in pounds? __________ pounds

3) A bottle of water for a water cooler contains 12 L. How many 250 mL servings are in one container? _______ servings of water.

Again, you may find it helpful to use dimensional analysis to convert the units.

4) 5 yd = in.

A) 15 B) 60 C) 180 D) None of these

5) 4 wk = _____________ min

A) 10,080 B) 20,160 C) 28,800 D) 40,320