A store buys bicycles for $60 then marks up the price by 40% to sell them. Currently, the store is having a sale on bicycles for
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When solving these proportions we just remember when moving a number from one side to the other if it started in the numerator it ends up in the denominator and vice versa.
I'll do it in two steps here for teaching purposes; it's not too hard to go directly to the answer.
