Math

Carpet City recorded the following data on carpet installations over the past week. Use the data to calculate the average rate (in yards per hour) at which carpet can be installed.

INSTALLATION

1

2

3

Square yards

1225

1435

2500

No. of workers

4

3

5

No. of hours per worker

3

5

6

I tried to multiply hours and workers and divide the square yards but I cant get the answer. My textbook says its 93.69 and I have no idea how they got this.

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  1. total (yd^2) ... 5160

    total worker hours ... 57

    dividing ... does not agree with text ... I have no idea either

    okay ... they do it on a per job basis

    find the rate for each job , and average them ... kind of make sense ...

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