At a music festival, tickets cost either £60 or £100. 1200 tickets were sold at a total cost of
£88 000. By drawing graphs, find how many £60 tickets were sold.
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Answer:
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Answer:
800
Step-by-step explanation:
let x be number of 60 tickets
y be number of 100 tickets
equations are x + y =1200
60x + 100y = 88000
=> 3x + 5y = 4400
there fore the number of tickets are 800
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