Answer:
The regular price r of a museum ticket before the discount is $60
Step-by-step explanation:
What is discount?
Discount is a reduction made from the gross amount or value of something.
What is regular price?
Regular price means the price at which similar goods or services are regularly sold on the market.
Given,
[tex]54=0.9r\\r=54/0.9\\r=60[/tex]
The regular price r is $60
To know more about discount , regular price here.
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