There are several methods of rounding, but in this case the 'best' one is probably to round up. Rounding down suggests that Kathy actually ran faster.
<span>26.2 (mile) * 6.2 (minutes/mile) = 162.44 rounded up => 163 minutes.</span>
Answer:

Step-by-step explanation:
From the image (or by just looking at the equations and know what each part represents) you can tell the solution is (0;2)
Analitically, you already have them in a
form, so let's compare the two RHSs:
. Let's replace the value in either to find 
Answer:
y = 7 - x
Step-by-step explanation:
Let y be the length of the other section
x + y = 7
y = 7 - x
of course, the width of the saw kerf (k) should also be accounted for so a carpenter would figure it as
y = 7 - x - k
Answer:
d/r = t
Step-by-step explanation:
d = r * t
d/r = t