#### Answer

About 15

#### Work Step by Step

In order to make this estimation, we first looked at New York City, where there are 50 piano tuners. However, Chicago is about 30% of the size, so we multiply by .3 to get that there are 15 in Chicago.

Published by
Pearson

ISBN 10:
0321993721

ISBN 13:
978-0-32199-372-4

About 15

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