Mathematics, 03.07.2019 23:30 coltonduggan

In the morning, marco sold 12 cups of lemonade for $3. by the end of the day, he had earned $9. how many cups of lemonade did he sell in all? kaycee wrote the proportion 12/3 =9/c for this situation. identify the error and give two ways to write the proportion correctly.

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In the morning, marco sold 12 cups of lemonade for $3. by the end of the day, he had earned $9. how...