11-01-2015
Mathematics

Answered

the cost the cost of an adult ticket to a football game was 1.75 the cost cost of a student ticket was 1.25 the number 1.25 the number of stuent ticket sold was twice the number of adult tickets.the total income from the sale of ticket was 8.50 how many tickets of each type were sold

Answer :

12-01-2015

[tex]x-number \of\ adult\ tickets\\2x-number\ of\ students\ tickets\\\\1.75x+1.25\cdot2x=8.5\\1.75x+2.5x=8.5\\4.25x=8.5\ \ \ \ \ \ \ \ |:4.25\\x=2\\\\2\cdot2=4\\\\There\ were\ 2\ adult\ tickets\ and\ 4\ student\ tickets.[/tex]

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