Which of the following will have a unit rate of 50 miles per hour

Answer:
Option J
Step-by-step explanation:
Given the following question:
In order to find the answer, we simply divide the miles by the hours to find the answer.
[tex]\frac{m}{h}[/tex]
Option F:
[tex]210\div4=52.5[/tex]
[tex]=52.5[/tex]
Option G:
[tex]300\div5=60[/tex]
[tex]=60[/tex]
Option H:
[tex]250\div4=62.5[/tex]
[tex]=62.5[/tex]
Option J:
[tex]175\div3.5=50[/tex]
[tex]=50[/tex]
In order to have a unit rate of 50 miles per hour you will have to drive "175 miles in 3.5 hours" or option J.
Hope this helps.
Simply divide the Miles and Hours in each choices until you get the 50 miles per hour.
[tex]175 \div 3.5 = 50 \: miles[/tex]