
Concept explainers
To prove:The cost for one person was more than $250.

Answer to Problem 50SPR
Ally + Tavian> $500
Explanation of Solution
Given:The total cost was over $500.
Just suppose that the cost per person was less than $250 and now
after adding the total money of Ally<($250) and Tavian < ($250)
as a result,now total amount is less than $500.
Thus, there comes a contradiction that if total sum of amount was
over $500, then how is this possible if cost per person was less than
$250. So hence it is proved that the total amount should be more than
$500.
Chapter 5 Solutions
Geometry, Student Edition
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