6
algebra

Typist A types 50 wpm. Typist B types 60 wpm. They have a 1100 word document. If they split it, how long does it take?

A

20

B

11

C

5

D

10

Correct Answer: D

Choice Ahoice D is the correct answer.

  1. Combined Rate: 50+60=11050 + 60 = 110 wpm.
  2. Equation: 110t=1100110t = 1100
  3. Divide by 110: t=10t = 10

Choice Ahoice C is incorrect because calculation error.

Choice Ahoice D is incorrect because calculation error.

Choice Ahoice B is incorrect because calculation error.