Write an expression to describe the relationship in the table 42,54,72. 7,9,12

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.

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost