Question 2  If 15 people greet each other at a meeting by shaking hands with one another, how many handshakes will take place?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter6: Systems Of Linear Equations And Inequalities
Section6.1: Graphing Systems Of Equations
Problem 59PFA
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Question 1

Shelly has saved some money for a vacation. Shelly spends half of her vacation money on an airline ticket; she then spends $50 for sunglasses, $22 for a taxi, and one-third of her remaining 

Question 2

 If 15 people greet each other at a meeting by shaking hands with one another, how many handshakes will take place?

 

Question 4

Janice spent $40 on an outfit. She paid for the items using $10, $5 and $1 bills. If she gave the clerk 10 bills in all, how many of each bill did she use?

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