Sally saved $30 by using a 25% off coupon. How much was her total bill before applying the discount?
1 answer:
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We know that
Slope = -4 - 5/-2 - 1
Slope = -9/-3
Slope = 3/1
Slope = 3
Hence,
Slope is 3
We know that
Slope = -4 - 5/-2 - 1
Slope = -9/-3
Slope = 3/1
Slope = 3
Hence,
Slope is 3