Agroup of 11 people are going to the movies one saturday. adult tickets cost $10.50 each and child tickets cost $6.75 each. if the total cost for admission to the movies is $100.50, how many children attended the movie? a.) 4 b.) 5 c.) 6 d.) 7

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

What value of x is in the solution set of 4x – 12 s 16 + 8x?

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?