Answer:
Amy roller-skates 3.07 mile/hr
Step-by-step explanation:
90 yd/min = x mi/hr
90 yd/min * 60 min/hr = <u>5400 </u>yd/hr
<em>1 yard = 1760 mile </em>
<em>1 second= 1/3600 hours</em>
5280 ft/mile / 3 ft/yd =<u> 1760</u> yd/mi
5400 yd/hr / 1760 yd/mile = 3.06818 mile/hr
Round to the hundredth place.
it would be 53
x will be -1
How it is written: x > -1