At the movies, tickets for a night show cost $9, and tickets for a day show cost $6.75. What percent is the discount you get for
1 answer:
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First, square both sides. This will cancel out the radical.
(a^2 = b + 6)
Then subtract 6 from both sides
b = a^2 - 6
(a^2 = b + 6)
Then subtract 6 from both sides
b = a^2 - 6