Jocelyn has read 156 pages of a book. this is 4/5 of the entire book. how many pages does the book have?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8