dovescry76 dovescry76

03-04-2017
Mathematics

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total of 420 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold. How many adult tickets were sold?

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Аноним Аноним

03-04-2017

2x + x = 420
3x = 420
x = 140 Adult tickets

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