Question

you are a technician installing network cable to 15 wireless access points. you have 1,000 feet of cable available. two locations will require 100 feet of cable each, 6 locations will require 50 feet of cable each, and 4 locations will require 35 feet of cable each. about how many total feet of cable will be left for the last 3 locations?

a. 120
b. 180
c. 360
d. 640
e. 815

Explanation:

Step1: Calculate cable used for first - type locations

$2\times100 = 200$

Step2: Calculate cable used for second - type locations

$6\times50=300$

Step3: Calculate cable used for third - type locations

$4\times35 = 140$

Step4: Calculate total cable used

$200 + 300+140=640$

Step5: Calculate cable left for last 3 locations

$1000 - 640=360$

Answer:

C. 360