The total number of people in a survey is T. The number of males in the survey is x and the number of doctors is y. The number of doctors that are male is z. Write algebraic expressions for the following using any of the variables x, y, z and T.
a. The number who are neither male nor a doctor
b. The number who are male but not a doctor
c The number who are female or a doctor
Please explain how you got the answer. Thank you
1 answer