Linda sold 39 tickets for her choirs concert for a total of $101.30. If an adult ticket sold for $2.50 and a children's ticket sold for $2.70, how many of each kind of ticket did Linda sell?
Please help!

Question

anonymous · Answer

x = adults's ticket and y = children's ticket $$2.5x+2.7y = 39$$ $$x+y = 101.30$$ use matrix, or substitution, or elimination
$$2.5x + 2.7(-x+101.3) = 39$$$$2.5x-2.7x+273.51 = 39$$$$-.2x=-234.51$$$$x \approx 1173$$ 
$$1173+y = 101.3$$$$y = -1071.7$$
??? this doesn't sound right??

anonymous · Answer

ill see