Question $1 A$ 18 1C 1 D Summary Bookwork code: 1D Calculator not allowed
The day before a show, a theatre had sold adult and child tickets in $t$ ratio 9 : 4.
On the day of the show, the theatre sold 20 more adult tickets and nc more child tickets. The ratio of adult to child tickets sold became $8: 3$ . Work out how many adult tickets had been sold the day before the show. < Previous Watch video Answe

Studdy Solution
Assuming $n_c$ is known or additional information is provided, solve for $a$ .
For example, if $n_c = 10$ , substitute into the equation:
$540 = 5a + 720$
$5a = 540 - 720$
$5a = -180$
$a = -36$
This result indicates an inconsistency, suggesting a need for correct $n_c$ or re-evaluation of assumptions.

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