A group is selling T-shirts to raise money in a fund raiser. The group has a budget of $750 to order T-shirts from Jubilation Tees. The T-shirts cost $12 per shirt. There is a flat shipping fee of $10 for the order. Volunteer group will sell the T-shirts for a profit of five dollars per shirt. The group's goal is to Earn a profit of at least $280. What is the maximum number of T-shirts the volunteer group can buy without going over budget?

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

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?

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?