A store is having a sale to celebrate President's Day. Every item in the store is advertised as 0ne-fifth off the original price. If an item is marked with a sale price of $140, what is the original price?

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step-by-step explanation:

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(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3