Learning Task It took Althea 40 minutes
to walk 27mile to her
Int's apartment after
hool because she
Srgot her keys and
noone was home yet.
Nhat was her speed in
miles per hour?

40.3miles/hr

Step-by-step explanation:

Given parameters:

Time taken  = 40min

Distance covered  = 27mile

Unknown:

Speed in miles per hour = ?

Solution:

Speed is the distance divided by the time;

   Speed  =

convert the time to hrs;

               60min  = 1hr

                40min  =   = 0.67hr

Insert the parameters and solve;

        Speed  =   = 40.3miles/hr

answer: h

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!