Mathematics, 07.01.2021 01:00 sam2019

Kramer earns $400 a week at the bookstore plus $3 for every magazine he sells. He uses the equation y = 3x + 400 to represent his earrings, where x represents magazine sales and y represents his weekly pay. If he needs to earn $490 next week to pay for his summer field trip, how many magazines does he need to sell?

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Kramer earns $400 a week at the bookstore plus $3 for every magazine he sells. He uses the equation...

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