A theater sold 10 tickets for a total of 240 dinars. Adult tickets cost 30 dinars and child tickets cost 15 dinars. How many adult tickets were sold?
Answer and explanation
Correct answer: B. 6
- Step 1: Let a be the adult tickets: a + c = 10 and 30a + 15c = 240.
- Step 2: Substituting c = 10 - a gives 15a = 90, so a = 6.
Answer
6.
Why not the others: 4 is the number of child tickets; the other values fail to match the total takings.
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