Multiple choice

The following table represents the number of computers (in thousands) manufactured by four companies during the period from 2010 to 2014: Years A B C D 2010 240 120 270 280 2011 300 530 490 650 2012 1,250 650 430 710 2013 470 320 1,180 890 2014 320 1,070 550 480 What is the difference (in thousands) between the number of computers manufactured by companies A and C during the period from 2010 to 2014?

  1. 230

  2. 430

  3. 320

  4. 340
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Total A: 240+300+1250+470+320 = 2580. Total C: 270+490+430+1180+550 = 2920. Difference: 2920 - 2580 = 340.

AI explanation

The total number of computers manufactured by company A from 2010 to 2014 is 240 plus 300 plus 1250 plus 470 plus 320, which equals 2580 thousand. The total number of computers manufactured by company C during the same period is 270 plus 490 plus 430 plus 1180 plus 550, which equals 2920 thousand. The difference between the production of company C and company A is 2920 minus 2580, which equals 340 thousand.

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