Multiple choice

The table below gives information about the security systems of different companies ( in terms of number of cameras and alarms installed by that company ): Company Alarm Security Camera Company Alarm Security Camera A 5 20 F 10 30 B 2 10 G 20 35 C 5 30 H 6 30 D 7 60 I 10 20 E 7 50 J 15 45 What is the total number of cameras installed by companies A, C, F, G, H and I ?

  1. 170

  2. 160

  3. 165

  4. 180

  5. 9
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Summing the camera counts for the specified companies: A(20) + C(30) + F(30) + G(35) + H(30) + I(20) = 165.

AI explanation

We add the security cameras installed by the specified companies: 20 for A, 30 for C, 30 for F, 35 for G, 30 for H, and 20 for I. The sum of these values is 20 plus 30 plus 30 plus 35 plus 30 plus 20. The total number of cameras installed is 165.

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