At PM Mall, shoppers were asked what network of sim (Smart, Globe, TM) they use. The following responses were gathered: 27 Smart, 41 Globe, 32 TM, 24 both Globe and TM, 20 both Smart and Globe, 18 both Smart and TM, and 16 uses all the three. How many use Globe only?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
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At PM Mall, shoppers were asked what network of sim (Smart, Globe, TM) they use. The following responses were gathered: 27 Smart, 41 Globe, 32 TM, 24 both Globe and TM, 20 both Smart and Globe, 18 both Smart and TM, and 16 uses all the three.

How many use Globe only?

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