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Write a function to describe the following scenario. billy wants to order business cards. there is a $20 minimum charge regardless of how many cards are purchased. on top of that, there is a charge of $0.06 per card. y = [?] + [ ]

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Explanation:

Let y be the amount of charge .

Let x be the number of cards purchased

We know that the initial amount of charge is $20

We also know that for every card purchased, it costs 0.06

So our equation is


y = 20 + 0.06x

or


y = 0.06x + 20

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