Your sister traveled 117 miles in 2.25 hours to come home for the holidays. write her speed as a unit rate, comparing miles to 1 hour?

52 miles per hour

Step-by-step explanation:

117/2.25=52

Her speed is 52 miles per hour

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

So, to write her speed as a unit rate we simply have to divide the distance by the time.

Mathematically speaking:

117 miles /2.25 hours = 52 miles per hour

Feel free to ask for more if needed or if you did not understand something.

your answer is the frist one

hop i

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.