What percent of 145 is 85? round your answer to the nearest tenth

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

What is the the greatest common factor ?