Answer the following questions.

Basic conversion facts: $1 = 4 quarters = 10 dimes = 20 nickels = 100 pennies. 1 quarter = $= = $0.25, 1 dime = $0.1, 1 nickel = $0.05, 1 penny = $0.01 1 hr = 60 min, 1 min = 60 s, 1 hr = 3600 s (hr: hour; min: minute; s: second) 1 min = -- hr, 1 s =-I 1 km = 1000 m, 1 m = 100 cm (km: kilometer; m: meter; cm: centimeter) 1 m = - 1000 km=0.001m, 1 cm = m = 0.01 m 1 mile = 1609 m, 1 m = 3.3 ft, 1 ft = 3 in, 1 in = 2.54 cm ( ft: foot; in: inch) 1 mile/hr (1 mph) = 1.609 km/hr 1 km/hr = 18 m/s = 0.278 m/s Practice: 1. Car A moves at 6 km/h, car B moves at 15 m/s. Which car moves at the faster speed? 2. In the US, a car's speedometer records speed in miles per hour as well as km per hour. 70 miles per hour is equal to how many km per hour, or m/s? a. Miles per hour to km per hour: b. Miles per hour to m/s