Question:
An identical dress with the same usual price was sold in both Shop A and Shop B. At a sale, Shop B offered a 5% discount more than Shop A. Meiling bought the dress from Shop B and paid $51. The purchase saved her $3.40 more as compared to buying the dress from Shop A.
(a) What was the usual price of the dress before the discount?
(b) What was the percentage discount offered in Shop A?