There are 80 students in a speech contest. yesterday 1/4 of them gave their speeches. today 2/5 of the remaining students gave their speeches. how many students still haven't given their speeches?

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work