Henry has twice as many fiction.
books as non-fiction books. He has
17 more fiction books than non-fiction
books. How many books does Henry
have in all?

Let be the number of non-fiction books. We deduce that the number of fiction books is , since they are twice as much.

Since the difference between the two numbers is 17, we have

So, Henry has 17 non-fictional and 34 fictional books, for a total of 51 books.

hope this is what you were asking for!

step-by-step explanation:

x = 12

y = 1

for the points!