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Joe earns $1,475 per month as a clerk at Elm City Sporting Goods. How much does he earn in a year? Explain how you got your answ
2 answers:
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The option formatting isn't very clear, anyway: given a number x, negative 3 times that number is -3x. If this has to be at least 57, it means that -3x must be greater than or equal to 57:
Dividing both sides by -3 solves the equation, but we have to switch the inequality sign because we're dividing by a negative number: