Acar rental company increases daily rental fees 15% in the summer to cover increased fuel costs. they then have a "25% off" promotion for the fall. if a car rented for $36.00 per day before the summer, what would the per day rental cost be during the fall promotion?

41/2 - 1 1/3 what is the answer as a fraction?

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

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?