Four students were scheduled to give book reports in 1 hour. after the first report, 2/3 hour remained. the next two reports took 1/6 hour and 1/4 hour. what fraction of the hour remained

Total time to give a book Report =1 hour

Time left after giving first book report

Time taken by students to give next two reports are

Time left after giving all these two Reports

9 x 8 divided by (5-3)=36

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58