In printing an article of 48,000 words, a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,800 words. Using a smaller type, a page contains 2,400 words. The article is allotted 21 full pages in a magazine. How many pages must be in smaller type?

2 answers

small print pages : x
large print pages : 21-x

2400x + 1800(21-x) = 48000

solve for x
17 pages