Multiple choice

A secretary typed 6 letters, each of which had either 1 or 2 pages. If the secretary typed 10 pages in all, how many of the letters had 2 pages?

  1. 1

  2. 2

  3. 3

  4. 4

  5. 5
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

If x letters had 1 page each and y letters had 2 pages each, it is given that x + y = 6, and x + 2y = 10. So, subtracting the first equation from the second, we get y = 4.

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