Question

A 

20-minute

 TV program consists of 

two commercials, each

 

1

3

4

 minutes

 long, and three 

equal‐length

 entertainment segments. How long is each entertainment segment? Enter your answer as a mixed fraction.

Answer 1

2 commercials would take 2×1¾ min= 2×7/4min= 7/2min
so the entertainment segments = 20-7/2= 33/2
each would contain = 33/2÷3 = 33/2×1/3 = 11/2
= 5½

answer =5½