The equation is:

And
Total number of pages are 351
Step-by-step explanation:
The equation has to be formed by using the given information.
Let p be the total number of pages in the novel
Then
1/3rd of the p will pe:

Total pages read by John = 114
Then according to the statement

We can solve the equation to get the total pages of the novel

The equation is:

And
Total number of pages are 351
Keywords: Linear equation, variable
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The factors of 4 are 1, 2, and 4 .
The factors of 9 are 1, 3, and 9 .
Answer:
x=y[base side of isosceles triangle]
x²+y²=19²
x=√{19²/2)}
x=13.44
y=13.44