Respuesta :

Answer:

Mario's unit rate is 900

Step-by-step explanation:

hooe this helps

Answer:

4mi/hr

Step-by-step explanation:

Mario's walking rate is (2/3mi)/(10min)

Convert minutes to hours:

(2/3mi)/(10min)  *  (60min)/(1hr) =

(2/3mi*6min)/hr=

4mi/hr