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 The equation 12x + 15y = 390 represents the total revenue during a one-day fundraiser. In the equation, x represents the number of youth T-s

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The equation 12x + 15y = 390 represents the total revenue during a one-day fundraiser. In the equation, x represents the number of youth T-shirts sold, and y represents the number of adult T-shirts sold. If there were 10 youth T-shirts sold, how many adult T-shirts were sold?

 Feb 25, 2015

Best Answer 

 #1
avatar+130516 
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So we have

12(10) + 15y = 390  

120 + 15y = 390     subtract 120 from both sides

15y  =  270             divide by 15 on both sides

y = 18 adult shirts

 

 Feb 25, 2015

1+0 Answers

 #1
avatar+130516 
+5
Best Answer

So we have

12(10) + 15y = 390  

120 + 15y = 390     subtract 120 from both sides

15y  =  270             divide by 15 on both sides

y = 18 adult shirts

 

CPhill Feb 25, 2015

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