All calendars are 40% off at a bookstore. Which pair of expressions can both be used to find the price, p, of a calendar after the 40% discount?

A. 0.4 & 0.6

B. 0.6 & p-0.4p

C. p-0.4p & p-0.6p

D. 0.4 & p-0.6p

6th grade math

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