There are 120 diplomats at a gala. Every diplomat is either a spy or a civilian. You know that any time two diplomats shake hands, at least one of them is a spy. Assuming at this gala everyone shakes hands with everyone else, how many civilians are in attendance?

There are 120 diplomats at a gala. Every diplomat is either a spy or a civilian. You know that any time two diplomats shake hands, at least one of them is a spy. Assuming at this gala everyone shakes hands with everyone else, how many civilians are in attendance?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter2: Linear Equations

Section2.6: Ratios And Proportions

Problem 40PPS

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