3 years ago

Please do number 23.

Mathematics

1 answer:

liraira [26]3 years ago

5 0

Answer:

165

Step-by-step explanation:

Let o and b represent the numbers of orchestra and balcony tickets bought, respectively.

o + b ≥ 250 . . . . at least 250 tickets will be bought

o = b - 80 . . . . . there will be 80 fewer orchestra than balcony bought

Substituting for o, we have ...

(b -80) +b ≥ 250

2b ≥ 330 . . . . . . . add 80

b ≥ 165 . . . . . . . . .divide by 2

The least number of balcony tickets the club could buy is 165.

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