What is the value of q in the equation 4/5q = 32

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?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose