In printing contained by article of 48,000 words,a printer decide to use two sizes of type.Using the larger type,a?

printed page contains 1,800 words . Using smaller type ,a page contains 2400 words. the article is alotted 21 full page in a magazine. How tons pages must be surrounded by smaller type?The answer is 17, but how to to get numeral?

Answer:
a = # of pages surrounded by small type.
b = # of pages surrounded by large type.

2400a + 1800b = 48000
a + b = 21.

Solve by multiplying both sides of a + b = 21 by 1800.

Subtract from first equation.

Divide both sides by 600.

You do the math.

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