Mathematics, 18.12.2020 20:50 justarando

4) Suppose a model airplane club published a newsletter. Expenses are $.90 for printing plus $600 for research and writing. They charge $1.50 per copy of the newsletter. How many copies must the club sell to break even? Write let statements and equations to solve. Show all your work

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4) Suppose a model airplane club published a newsletter. Expenses are $.90 for printing plus $600 fo...