Let
x---------> the number of hits in January
y---------> the number of hits in February
we know that
--------> equation

--------> equation

Substitute equation
in equation

Part a) About how many hits did the website have during Jan and Feb?
----> Round to nearest ten thousand----->

----> Round to nearest ten thousand----->

the answer part a) is

Part b) Exactly how many hits did the website have during Jan and Feb?
the answer part b) is
