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Sagot :
Answer:
- 42 lower box
- 127 upper box
Step-by-step explanation:
You want the number of tickets of each kind sold if 169 tickets were sold for $1795, and lower box tickets were $12.50 while upper box tickets were $10.
Setup
Let x represent the number of lower box tickets sold. Then 169 -x is the number of upper box tickets sold. The total revenue is ...
12.50(x) + 10.00(169 -x) = 1795.00
Solution
Simplifying, we get
2.50x +1690 = 1795
2.5x = 105 . . . . . . . . . . . subtract 1690
x = 42 . . . . . . . . . . . . divide by 2.5; the number of lower box ticket sold
169 -42 = 127 . . . . . . the number of upper box tickets sold
42 lower box and 127 upper box tickets were purchased.
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