Sonic Boom obtained a sound system for $2,400 less 30% and 15%. The system was originally priced so that, when sold in a "20% off" sale, the store's overhead and operating profit represent 25% and 15%, respectively, of the sale price. In a Midnight Madness Special, the system was sold at a " $\frac{1}{3}$ off" special price.
a) What was the original "regular price"?
b) What was the profit or loss at the special price?

Question

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The Answer of Sonic Boom obtained a sound system for $2,400 less 30% and 15%. The system was originally priced so that, when sold in a "20% off" sale, the store's overhead and operating profit represent 25% and 15%, respectively, of the sale price. In a Midnight Madness Special, the system was sold at a " $\frac{1}{3}$ off" special price.
a) What was the original "regular price"?
b) What was the profit or loss at the special price?

Sonic Boom Obtained a Sound System for $2,400 Less 30 13\frac{1}{3}31​

Sonic Boom Obtained a Sound System for $2,400 Less 30 $\frac{1}{3}$