Ann took a taxi home from the airport. the taxi fare was \$2.10$2.10dollar sign, 2, point, 10 per mile, and she gave the driver a tip of \$5$5dollar sign, 5. ann paid a total of \$49.10$49.10dollar sign, 49, point, 10.

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Having a hard time understanding this question (see attachment).