Answer:
a. 62 miles/hour
b. 1.25 laps/minute
Step-by-step explanation:
a. ratio of miles to the number of hours is 434 to 7 can also be written as
[tex]\frac{434}{7}[/tex]= 62 miles/hour
therefore rate or speed= 62 miles/hour
b. [tex]\frac{number\ of \ laps}{number\ of \ minutes} = \frac{5}{4}[/tex]
= 1.25 laps/minute which rate or speed