Answer:
Amy roller-skates 3.07 mile/hr
Step-by-step explanation:
90 yd/min = x mi/hr
90 yd/min * 60 min/hr = 5400 yd/hr
1 yard = 1760 mile
1 second= 1/3600 hours
5280 ft/mile / 3 ft/yd = 1760 yd/mi
5400 yd/hr / 1760 yd/mile = 3.06818 mile/hr
Round to the hundredth place.
