2280017 2280017

06-02-2018
Mathematics

contestada

You and your friend are selling tickets to a charity event. You sell 11 adult tickets and 8 student tickets for $158. Your friend sells 5 adult tickets and 17 student tickets for $152. What is the cost of a student ticket? $

Respuesta :

vunderkid vunderkid

12-02-2018

{11X+8Y=158
{5X+17Y=152

{55X+40Y=790
-
{55X+187Y=1672

147Y=882
Y=6
Cost of the ticket for student is $6

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