Assignment:
Q1. Of 100 clock radios with digital tuners and/or CD players sold recently in a department store, 70 had digital tuners and 90 had CD players. How many radios had both digital tuners and CD players?
Q2. Of 50 employees of a store located in downtown Boston, 18 people take the subway to work, 12 take the bus and 7 take both the subway and the bus. How many employees?
a. Take the subway or the bus to work?
b. Take only the bus to work?
c. Take either the bus or the subway to work?
d. Get to work by some other means?
Provide complete and step by step solution for the question and show calculations and use formulas.