Answer:
127 pages
Step-by-step explanation:
254 × 1/2 = 127
or
254 ÷ 2 = 127
You have to set up a system of equations
x+y=104
3x-y=104
Sodas = 78
Hotdogs = 26
For

, we have

So for

to be continuous at

, we require that the limit as

is equal to 4.
The range of the data shown is 0-9 !!
hope this helps and good luck in life ;)