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Mrs. Smith had 200 catnip mice. She gave two catnip mice to each cat she met, until she had only 76 mice left.

Betty wants to start a business selling cookies. She's friends with Loren and Marisol from our earlier example, so she already knows she's going to hit the ground running. She will need $17,000 to convert her kitchen into a commercial kitchen capable of handling large-scale cookie production. After converting her kitchen, she will spend $2,000 per year on ingredients and other supplies, and will make $6,000 per year from cookie sales.

After how many days from the start of the experiment was the temperature of the liquid equal to 0° F?

On Sunday, Grandma Betty was given two dozen get-well cards. Grandma Florence was given six get-well cards every day, starting on Sunday.