The audio-visual technician for a hotel ordered 4 boxes of microphone cords. there are 12 cords in each box. if there are now a total of 108 cords at the hotel, how many boxes of cords were there before the order?

 5 boxes.

Step-by-step explanation:

Given : The audio-visual technician for a hotel ordered 4 boxes of microphone cords.

There are 12 cords in each box.

Then, the number of cords in 4 boxes will be

If there are now a total of 108 cords at the hotel,  then the number of corfds were before the order : 108-48=60

Then, the number of boxes were in hotel before the order :-

Hence, there were 5 boxes of cords in the hotel before the order.

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step-by-step explanation:

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b